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Supplementa
tntomologica
Heransgegebennncl redigiertvon\Valther Horrr

All rnen of science aro brothere . .
Ir)rlgerv.David (August l9l4)

Faunasumatrensis.
(Beitr.agNr. 39).
Supertamily Tipuloidea(Dipt.) I.
By C. P. Alexantler, Lassachusetts
AglicnltnralCollege,Aurlerst(Massachusetts,
U. S. A.).
(\\rith 8 Textlig,).

Berlin-Da
hlent.
GoBler.Str.20

90

SupplenentaEntomologioaXV' 192?.

Fauna$umatrensis.
(Beitrag Nr. 39).
SupenfamilyTipuloidea(Dipt.) I.
AgriculturalCollege,Amherst
By C. P. Alexanrler, Massachusetts(trIassachusetts,
U. S. A.)
(with 8 figures).
The present part of the ,,X'aunaSumatrensis"begins the consiilerationof the crane-flies, the great majority of which fall in the farnily Tipulittae.
T h r o u g h th e g re a t ki n tl n e ssof M r . Etlwar tl Jacobsonr I have bee ninvited to considerthe collectionsmacleby himself, chiefly at Fort tle Kockt
altitutle 920 meteru, cluring 1925 antl 1926. The richness antl tliversityof this materlal rentlers it inadvisable to attempt to treat all in a single
part of the series anil the present paper is offereil as a first contribution
to the subject. Through the kinclnessof Mr. Jacobson, the types of
the novelties herein tlescribetl are preservecl in the collection of theUnitetl States National Museum.
Family Pty c h o pt e r i d ae.
Ptgchoptera, sp,
Fort tle Kock, 1925; L a . In its characters suggesting bothP. annand,alei,Brun. (India) and f'ormosensisAlex. (Forrnosa)but possibly
tlistinct frorn both. The tnale sex is neecledfor a more exact itlentification.
Family Tipulidae.
Subfamily Cylindrotominae.
St'ibaclocerabullans Enrl.
A perfect male, Tandjunggaclang,West Coast,.altltude 1200 tn,
DecemberL925. A seconcl,broken male, same locality, February 1926.
type were broken.
The posteriorand mitltlle legs of Entlerlein's
It shoukl be stated that they agree entirely in color with the fore legs,
the femora being yellow, the tibiae ancl tarsi abruptly blackenetl.
Subfamily Tipulinae.

ardens(Wied.)
Psetli,ophora
A pair that were taken in copulationby one of Mr. Jaco.bson's
native collectors.(Fort rle Kock, 1925) neetls special mention.
The two sexes differ so conspicuouslyin color that they might wellbe heltl as belonging to different species. The male has three jet-blackSupplementaEntomologica XV, lg2?.

gt

stripes on the praescutum and a similarly colore6
are& on each scutal
lobe; postnotal metliotergite extensively blackeneclposteriorly.
Legs chiefly
black, only the tibial ring (posterior leg only) purewhite. wings paleyellow, the tips only weakly darkenetl. Abclomen
black, the cautlal marginsof the tergites narrowly obscure orange. The female
has the thoracic
stripes orange, scarcely differing from the grouncl-color.
Legs with all
femora orange' the fore antl middle femora narrowly
infuscated at tips,
the posterior femora narrowly but conspicuousryblackenetl.
wiugs muchbrighter yellow, the tips more conspicuouslyclarkenecl.
Abtlomen lost.
The problem of sexual color tlimorphismin Psell,i,oythora
is still very
little understood ancl it is highly clesirablethat all
speciescapturecl in
copula be so pinnecl and labelleil for further stucly.
Nephrotoma, nigr,ith,orar (de Meij.)
one female. Gunung singgara'g, west coast, artitude 1600m, rg26.
llesopeza capnora sp. n.
General coloration of thorax dark brown with three obscureferru.
ginous stripes; legs black, the tarsi largelyor entirely whitel wings
with a strong brownish tinge, the stigma a littte darker;
abdorninal
tergites black, the sternites obscure yellow.
Male. - Length, about g mml wing, g.b rnm. _ Female._
Length,abont 11 mm; wing, 11 mm.
Frontal prolongation of the heacl very short, testaceous,darker irt
frontl palpi clark brown. Antennae of mare erongate,
if bent backwarcr
extenrling about to the base of the abclomen; basal
segment of scapeobscure yellow, the tip brownl seconclsegmentbrown;
flagellum uniformly
black' Heatl clark brown, the frons ancl anteriorvertex yellow. Mesonota]
praescutum clark brown with three obscureferruginous stripes that alrnost
cover the dorsum, the med.ian stripe indistinctly divitletl
by a capillarydark vitta; scutellum clark brown, the postnotum
shiny brownish brack.
Pleura obscure brownish yellow. Halteres of rnoclerate
length only, darkbrown' Legs with the coxae anil trochanters yellow;
femora brownlsh
black, the extreme basespalerl tibiae black; the legs
are all detachedbut mountecl in o'cler on card-boarcl; what are probably
the fore regs
have more than the proximal half of the basitarsi
black, the remaining
segments white; middte tarsi sirnilar, with about
the proximal half
blackenetl; in the supposedhind legs the tarsi areuniformly whiteneil.

Wings (X'ig.1) witha strong brown tiuge;
cell St, the space
betweenthe branchesof Cu,and.the stigma
ilarker, brown; veins brownish black; restricted obliterative
areas at encl

92

Alerantler,

Fauna sumatrensis(Boitrag 39): Superfam.Tipuloitlae'

Venation: Rs relativelyof Bs antl on the basal two sectionsof Mt*r.
elongate;tip of R, lueservecl;Rs elongate,more than twice Erasi
forks of the mediaf cells of motleratetlepth; vein Cu, extentlingalmost
to the marginl cell 2nd,.4 rather narrow. Abdominaltergites uniformly
black; sternitesobscureyellow, the subterminalsegmentsantl the hypopygium more brownish.
The femaleis similar to the male exceptin the soxualcharacters,
the antennaebeingshorter. 0vipositorwith the valveselongate,chitinizetl,
the tips acute.
Holotype, d, Anei Kloof, West Coast, altitude 500 m,. 1926
( 8 . J a c o b s o n ) . A l l o t Y P ee' .

upper sirle black,,,Male with untlersitleof abclomenyellowish brown,
green
thorax tlark yellowish brown. Female with unclersicleof abclomenLt
collector's
upper side greenish black; thorax tlark yellowish brown.
fiekl notes. The two types were taken in copula'llesopezatitania sP. n.
General coloration obscure testaceousyellow, the praescutum withantl
tlrree brown stripes; halteres yellow, the knobs tlark brown; tibiae
ta,rsi white, the femora with narrow black tips; wings grayish subhyaline
lvith an abuntlant browu pattern; forms of the rnetlial veins short'
I'emale. - Length, about 11 mm'; wing, 10 mm'
palpi tlark
Frontal prolongation of the heatl very short, clark brown;withbrown, the tip of the terminal segment narrowly yellow' Antennae
grayislr
the scapal segments shiny yellow, the flagellum black. Heatl
orbitsbrown, the anteriol vertex brighter brown, the frons antl posteriorcaunarrowly clearer gray. Plonotlm clark brown, narrowly marginecl
yellow
dally with yellowish. Meso[otal plaescutum obscure testaceouswith three conspicuousbrown stripes that are narrowly ancl vaguel;'tlark
marginetl with tlarker, the meclian stripe split by a capillary shiny
by twobrown vitta; scutum testaceousyellow, the lobes largely coverecl
pale
confluent brown areas; scutellum tlark brown with a capillary meclian
the anterior
vitta, the parascutellapalel postnotal mecliotergitebrown,
wit[
Iateral angles narrowly pale. Plettra pale grayish brolvn, variegatetl
Halteresrlarker brown, especially on the anepisternum ancl mergn'
with theelongate, pale yellow, the knobs abruptly clark brown. Legs
dark brown;
coxae pale, the tips narrowly clarkenecl,the fore coxae
paler,
trochanters obscure yellowl femora pale brown, the basesnarrowlyt[e tips clark brown; tibiae white, the tips narrowly but conspicuously
terminal
blackenecl;a pale brown subbasalring on tibiae; tarsi white, thesegmentsa trifle tlarkerl the legs are tletachecl,mountetl on cartlboard'ring onon. of the[r (presunably the posterior) without the brown subbasal
chiefly subtibiae. wings (Fig.2) grayish subhyaline, with an abunclant,

'''1
SqpplementoEntomologieaXV, 1gZT.

93

ocellate brown pattern, each area very narrowly nrargineclwith whitish;
the brown pattern consistsof broken ocelli having the origin of -B,sandthe fork of -R6 as
centerslltar.rowsearns
to the veius and scattered brolvn spots inthe poster.ior cells,in the Anal cells becoming coufluent to form a dentate pattern;themost apical spot is somewhat paler brown, marginetl withdarkerbrown, senclingrays to the margin at vein* Eu ancl Rn _;s; prearcularregion and cell Ec brown; cell c brown except tor conspicuous
paleal'eas on either sitle of /r; veins tlark brown, the outer portionof costamore yellowish. venation: lls elongate, angulaterl at origin,with a longtransverse spur extencling about hatf-way to M; ctistal section
or ,R,
preservecl but faint; distal section of R, entirely atrophietl;_Eu long,
gently arcuatedl forks of metlial cells short; cell 2nd, A relativelyo'r""0*.
Abtlomen relatively elongate, blackenecl,the third antl folrth segments
paler. Ovipositor with the basesof the valves blackenecl,thetips horncolorecl;tergal valvestelatively short, straight, the tips obtuse.
Holotype, g, Fort de Kock, altiturle g20 m, rgzb (E. Jacobson).
Subfamily Limoniinae,
Tribe Lechri,i,ni.
Lechria lu,ci,du sumatrensrssubsp. n.
tr{ale.- Length, about b.b mml wing, 6.g urm.
Female.
Length, about 6-6.8 mm; wing, ?-8.3 mm.
Generally similar to the rlescription of. L. l,ucid,a de Meij. (Java),
differing in the following regarcls: Rostrum very short, brown. Mesonotal
praescutum dark reddish brown with three paler, obscure yellow to palefulvous stripes; scutal lobes dark brolr,nr each with two obscurefulvous
marks; scutellumbroad, brownishyellow; postnotnrndark brolvn. pleura
pale brownish yello$', extensivelytlarkened, this latter inclu6ing the fore
coxaer anepisternum, dorsal portion of sternopleurite ancl the cephalicportion of the pteropleurite. Halteres pale throughout or with the baseof the knobs weakly infuscatecl. Wings grayish subhyaline, the anterior
margin uarrowly infuscatedI veins not seamedwith clarker. Yenation:
Sc relabively short, ending just beyonil the tip of Bs; ?n-c,u,less thanits length beyond the fork of M: cell ? ncl a very srnall. Abdominal
cergites obscureyellow, indistinctly variegatecldorsomediallywith brown
to form subbasalcrossbands;sternites similar but the dark bands narrower:
hypopygium yellow.
Holotype, d, tr'or.tcle Kock, 1926 (E. Jacobson). Allotype,a.
Paratypes,10 C a.

94Alexander,Faunasumatrensis(BeitragsJ):Superfam.Tipuloitlae.
as haviug con'
De Moijere figures (but does not tlesffibe) l,u,cid'aouter encl of cell
spicuous dusky seams along vein Cu, r-m antl thea smallIn the type of this new variety, the right wiug has
i* Ar.
Mr'
aclventitiotrs cell cut off in the outer entl of cell 1st
Tr'ibe Li,moniini'(wied.). Fort cleKock, 1926;
D,icranomyia (Thrgpti,comg,ia)ayt,ical'i,sseveral of both sexes.
de Meij. Fort cleKock, |925; several.
D. (Ew9|,ochi'na)cctne,iformr,s1921 (Can'The subg",,r* hrrgloch,ina Alexa'cler was proposeclin
Whether D,d.
Ent., 53: 20?-208), witlr tlre present speciesas type.
as is believed bycranomyia sal,tensDol. pertains to this subgenus,
tle Meijere, still
Erlwarcl.s, or to ThrgpticomyiaSkuse,as is heltl by
to favor theremains in question. The evitlence nOw available appears
certainly faII as
former view, in which casecllnei'f'orm'iswoulcl almosta name that is thoa synonym of.saltens, but it is far better to retain
guess at the possible
roughly fixetl. by an accurate clescription than tosystematic position of a tlonbtful form''
Limonia trigonoidessP' r1'
conspicuouslyin
Atlie d. to L. fu6gon1rt(Ecin'.) of Sumtrtra, tlifferingof the hypopygium'the venation of the raclial field and the structuremm'Male. - Length, about 8 mml wing, 10'2
throughout; basal
Rostrum and palpi black. Antennaevelvety-black
segmentslonger, the terminal
flagellar segmentssubglobular, the outer
precedingtwo segmentstaken tosegment very elong'ate,equal to thesilvery' lvlesonotal
gether. Heatl brown, the atrtelior Yel'tex conspicuously
bro'wustripes, the metlian
praescutumbrownishbtack l'ith th'ee retltlish
scutal lobes brownish
one narrowly tlividerl by a capillary ilark vittalbrown areas' the posterior one
black, each with two conspicuousreiltlish
ancl the scutellum pale testaceousmuch largerl metlian area of scutum
postnotumbrownish, paler
brown, the latter blachenetlmedially at base;
0lI the pleurotergite
posteriorly. Plettra tlalk browtr rvitlt a pale spot
rlorsal portion of the sterno'
alla a loilgit[ilinal pale stripe acl'ossthepale Legs with thepleurite. Halteres clark brown, the bases narrolvlyof legs rather palecoxae an6 troclauters obscure yellow: remaincler
tips a little clarker' wings
brown, the femoral bases more yellowish, thethe venation very tlifferent:
very similar in pattern Io I-t. tr'igon'ia but
the fork of 'Rs as to ther far from the tip of -R' about as far fromm-cu
the ultimate antl pentrltimate sections of 'Rt subequali
tip of Il'
tergites largely tlark
some tlistance before the fork of M, Abtlominal
the sternitesthe pale
brown, the bases of segmentsone to four palerI on
basal halves of the segmentst
eolofation is lnore evident, ipclutling theSupplomontaEntomologicaXV, lg2?.

95

the caudalmarginsbroatlly blackenecl,
the amountincreasingon the posterior
segments. IVIalehypopyginm (Fig. 3) very distinct in structure: Dorsal
dististyle (il) long, gently sinuons,the surface
microscopicallyroughened, the style narrowecl to the acute blackenedapex. Ventral dististyle(v) relatively small, the rostralprolongationshort, slender,blade-like,witha sirrglespine of moderatelength, this inserteclat the base of the prolongationon
a swollenbase. Gonapophyses(g) flattened,
the apical prolongationlong ancl sleucler,
the apex curt'ed, the outer margin withan acute spinonstooth.
Holotype, d, Tandjunggadang, \Yest.
Coast, altitutle 1000 m, October lg?b
( E . J a c o bs on ) .
L'imonia megastigma (Alex.).
1922. Limnob,iamegastigmaAlex.; Insec.Inscit. Menst., 10: 7b.
1919. L. sti'gmosa
rle Meij.; Bijtl. Dierkunrle,Feest-nummer,21: 14;(Scutlder),nec L. stigmosa
Tertiary fnsects,p. b68; tggg.
Fort de Kock, 1926; both sexes. The original ilescription of.megastigma Alex. was baseclon a singlo male fr"omBrastagi, Sumatra. The
fly iliffered in slight cletailsfrom the clesmiptionof st'igmosalleij. anil
was helcl to be a distinctspecies.Later, Ettwarcls (Encycloped.
Entomol.,
Diptera, 3: 48; 1926) recognizecl
the itlentity of the two. The prosentmaterial sltows still furtlrer clifferencesfrom fhe type of.megastigmabat
is surely conspecific. rn one specimen, only the intermed.iatepair ofpraescutalst ipes are evident, the space between being of a brighter.
yellow than the t'emaintlerof the sclerite. A correspondingclecreasein
the amonnt of black would produce the coloration of L. eaittataEilw. of
Inclochina. The yellow femoral ring of the fore legs is very nal'row,lvider ancl more conspicuouson the other legs.
L'imonia annul,,ifemur(de Meij.). Fort de Kock, Ig}b; 1 e.
Li,monia n,igr,icegts(u. d. Wulp.). Fort tle Kock, tgZG.
Rhi,picli,apul,chra de Meij. Fort cle Kock, lg?b
Tr,ibe Heratomini.
Errccera jacobsoni sp. n.
Heail black; tholax largely dark blue-gl'a1 the lateral praescutal
stripes black; wings with a bright brownishsuffusior, the baseand costal
region more yellowish; abtlomenorange, segmentsone, six anrl seven
black; intermediatesterniteswith the postelior margins nan'owly darkenotl.
l ! [ al e .- L e n g tl r, 1 0 mm; wing, 11.4 by 2.8 m m .

96Alexandor,

Fauna sumatrensis(Beitrag 89): Supetfam.Tipuloicloe.

Rostrum antl palpi black. Antennae black throughout, short, if
bent backwarclnot attaining the wing-root. Heatl above velvety'black,the anterior vertex, narrow posteriororbits ancl a vague capillary metlian
vitta more grayish; vertical tubercleweakly bifid. Mesonotalpraescutumwith a broad, datk blue.gray mediaustripe, the surface of which appears
slightly roughened,pruinosel lateral stripes smootlt,black; lateral martlark bluegins of sclerite more velve',y-black;remainder of mesouottttrr
Srayr the surfacoroughenetl,pruinose, like the metliau praescutalstripel
regionvelvety-black.Halteresshort,
Pteuradark blue-gray; dorso-pleural
black. Legs with the coxae dalk blue-black; trochantersblack, only thefemoral bases a very little paler. Wings with a bright brown suffusion,
the baso and costalregion moreyellowishl stigma small, elongate,dat'ker'brown; veins in the yellowish regiorr pale, the others clarker, iu thertistal half of the wirtg clark brown. Venation: r approximatelyits own
length from the tip of -It, ancl a slightly greater distanco beyontl thefork of Rz*zi cell M, preseut, shorter than its petiole; m shorL; m-cu
more than one-half its length beyoncl the fork of M. Abtlomen withthe lilst segmentdeep velvety-blackl tergites two to five orange-yellow;
segmentssix and sevelicleepvelvety-black; sogmenteight and the hypo'pygium obscureyellow; sternites sinrilar bnt with the posterior margins
of segmentstwo to live nan'orvly but increasingly clarkened.
Holotype, &, Gunung Singgalang, Wost Coast, altitutle 1600 m.
August 1925 (E. Jacobson). Paratotype, d.
Er,iocera jacobsoni is named in honor of the distinguished.natut'athe material anclwho has atldedso vastly to our knowlist who collectecl
leilge of the fauna antl flora of the llalayan Islancls. By Etlw arcls'
key to tlre Old World speciesof Eriocera (1921), the present species
woukl run into the group of coupletsbetween 28 antl 34 by the -fact
that the distal section 0f 4 anrl r are subequal. It cloesnot agreewith
any of tlre inclntletl species,apparently coming closestto E. ranthopyga
de Meij. (Java) in the essentialfeatures of structure ancl coloration. The .
latter speciesis ntuchsutaller(body antl wing only 8 mm); the heatl antl
thorax chiefly dull black ancl with the wings uniformly tlarkenetl.
Eriocera angustissimasP. n.
General coloration of the heail antl thorax tlark plumbeous gray;velvety'blacksiclesof mesonotalpraescutumantl scutumwith conspicuous
spots; abrlornenol'ange,the cautlal antl lateral margins of the segments
narrowly tlarkeueill tarsi conspicuouslypaler than the tibiae; wings(male) very narrow, approximately five times as long as witle, in thefemale a little broader but still more than four times as long as witle,
strongly tingetl with brownl cell J{ lacking.
ll a l e . - L ,o n g th ,1 5 *18 m m ; wiug, 15.3 by 3 tnm to 19 by

Supplementa Entomologica XV, 1927.

3.9 mm.
Female.to L4.2 by 3.3 mm.

g7

Longth, about 17 nm; wing, 14 by 8.2 mm

Rostrum and palpi black. Antennae short, if bent backward not
attaining the wing-rootl scapalsegmentsblack, pruinosel flagellumduskybrown, the basal segmenta little paler.at basel flagellar segmentswith
very long, conspicuousverticils. Heatl dark plumbeous gray. Mesonotal praescutumobscurs letlilish brown with three confluent tlark plum.
beotrsgray stripos; intenso velvety-black areas connecting the lateralwith the metlian stripe ancl ocoupying tire lateral rnargin of the sclerite
borclering the lateral stripel a similar velvety-black spot on the anterior
lateral region of each scutal lobe; scutumsimilarly ilark redtlish brolvn,
each lobe in center dark plumbeousgray; meclianportion of the V-shaped
sttture with a shiny black impresseclarea; scutellum and. postnotumdark
plnmbeousgray. Pleura clark plumbeous,inrlistinctly variegaterlwith paler
dorso-pleuralregion pale. Halteresblack. Legs with the fore coxae entirely
dat'k, rnidtllecoxae with the basallralf tlarkenecl,the posterior coxae with
about the basal third dat'keuetl,the remaitrcleryellowl trochantersyellow,
femora black, the bases paler, most narowly so on tho fore femora, theamouut increasing posteriorly, most extensive on the lrincl femora; tibiae
black; tarsi pale brown, the terminal segmentsclarkened; foro basitarsi
n0ro than twice the remaining tarsal segmentsancl a little moro than
two-thirrlsthe tibia (tibia, 12 mml basitarsus,
8.4 mm); posteriorbasitarsus,
one-half longer than the remaining tarsal segments autl only one.thirtl
the tibia(tibia, 15 mml basitarsus,bmm). wings very long and narrowin the male, a little broaclerin the fernale,as shown by the measurements
givenl membranestrongly suffusedwith brown, the posterior cells paleri
cell Sc more yellowishl stigma very srnall, elongate,tlarker brown; veinstlark brown, narrowly seametl with slightly dar.ker brown than the
ground-colorof the memblane. Venation: r approxirnatelyits owu lengthfrom the tip of '/1, anil fronr two to three times its length beyond theorigin of /12, placetl obliquely; r-m connectingwith .Bs immerliatetybefore or at the fork, or immetliatelybeyoud on Ea 4 5, soretimes weakly
angulatod and spurretl, in alignment with the basal section of. M14 2coll M, lacking; celL lst Mn elorgate-rectangular; m-cu variable in position from abottt two-thirds to more than its own length beyontl thefork of M, longer than tho distal section of Cu.
Abtlomenwith the basalsegmeutdark plumbeous;remainingsegments
tlull orange, the caudal margins of the segmentsantl the lateral incisuresnarrowly clarkened; hypopygium small, dark. Ovipositor with very
elongate,slenrler valves.
H o l otyp e ,d , F o rt i l e K o ck, altituile g20 m, tgzl
Suppl. Ent. XV.

( E.Jacobson) .
7

gB

Alexander,

tr'aunasumetronsis(Beitrag 39): Superfad. Tipuloidae.

3 d Q, 1925-1926; paratypes,2 dd'
Allotype, a. ParatopotXpe$rl broken Q, Anei Kloof, West Coast, altitutle 500 m, 1926.
By means of E il w a r d s key to the OId \\'orkl speciesof the genus(1921), tlris fly would run to couplet30, which incluclesrwfinentris Brun.
(Intlia) and.ytaenulata Entl. (Surnatra), from both of which it tliffers in
the tliagnostic features listett above. In solne respectsit agrees with
E. s,imalurens,isMeij. (1915) fronr the islantl of Simalur, off the west
eoast of Sumatra, differing, however, in several tletails of coloration.
Eilwards (Key, l. c., couplet 49) states that in this latter species,m,-cu( u * c u ra ) i s a t th e p ro xi mal end of cell l st M, bnt tle M ei jer e' s
tlescriptioncloesnot give tlris feature, stating rather that the r-n\' ctoss'ar'e in alignnrent,at the proximal encl
vein ancl basal section of Mra,of cell 1 st M r. In the latter respect, simaluretts'is agrees with ruf iaentr,i,s,ytaenulata, and several other speciesin the Oriental fauna.
The genus Eri,ocera is vastly developedin the Oliental Region,
more than one huntlred speciesbeing tlescribed. The great majority are
local in distribution, insofar as oul' present knowletlgeof this subject
allows us to expresssuch a statement. The nutnber of speciestlecreases
to the east, only throe speciesbeing known frotu Australia, oue of which,metall'icaSchiner, occurs as far. south as Nelv South Wales.
Er'i,ocera bicol,or (Macq.)
Haran Kloof, Sumatra, West Coast, altituile 550 m, June 1926;
Alei Kloof, trVest Coast, altitutle 500 m, June 1926; Tandjunggailang,West Coast,altitutle 1200 m, l)ecember1925.
Tribe llrioPterfui,,Conosia 'irrorata (Wied.). Fort de Kock, 1925.
Trentepohl,'ia(Trentepohlia) trentepohlaz(Wied.). Folt
1925, 1926, large series.
T. (Mongoma) ytenn'igtes(0. S.). Fort tle Kock, 1926.
Ggmnastes,sp.r nr. ornat'ipenni,s(de Meij.)de Kock,

One Q, broken, Gunulg Singgalang,altituile 1000 m, July t925
( E . J a c o b s o n ) . T h e b a s a ld a r k f a s c i ai s m o r e c o r n p l e t e t h a n i n t y p i c a lornatipennis.
bi,col,orO. S. Fort de Kock, lgzb; Gunung Singgalang'
Teuchol,abi,sWest Coast, altitude 1600 Dr 1926. Agreeing entilely with Osten
S a c k e n's clescription except that the tibiae antl tarsi are entirely
blackened.
T. femorafo de Meij. Fort de Kock, 1925; 2 dd.
d,e Meij. Fort tle Kock, Lg26; 2 Q Q. These agree
T. gil,eci,oid,es
olosely with the ilescription except that the thoracic pleura is scarcely
ilarkened.

SupplemontaEntomologicaXY, 192?.

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0nophomyiajacobsoni sp. n.
sizo large (wing, ? mm or more); generalcolorationobscureyellowish brown, the thoracic clorsumvariegated u,ith dark brownl conspicuous
black spois on the pleural anepisternumancl pleurotergite; wings subhyaline; male hypopygium with the outer tlististyle long, slentler, simple;
gonapophyses
appearingas very broail flattenetlplates; ovipositorwith thetergal valves very elongate.
Male.
Lengtlr, 6-7 mm; wing, T-g mm.
Female.
L e n g t h , 7.5 -9 .5 mm; w i n g , 8 .b- 10 m m .
Roetrum short, obscureyellow; palpi black. Antsnnae relatively
long, in male, if bent backward, extending abr-rutto the base of the
abd-omen,black throughout. In the female, the antennae are a little
shorter. Heatl dalk, paler behind, the vertex broacl. Mesonotumobscureyellowish brown, inilistinctly variegateil with clarker brown spots thatappear as the remains of the anterior enclsof the three usual praescutal
stripes, antl, in cases,the posterior end of the moclianstripe; two similartlark areas on eaclt scutal lobe; scutellumclark brown, narro\rylybortlereil
with obscureyellowl postnotal rnediotergitebrownish yellow, the cautlal
rnargiu clark brown. Pleura yellow, with two large black areas, oneon the anepistet'nttm,
the secondon the postnotillpleurotergite,immediately
before the halter; propleura anrl pteropleurite less distinctly infuscateil.
Halteres short, blackened. Legs with the coxae brownish yellow;
trocbanters obscttre yellow; f'emora yellowish brown; tibiae ancl tarsi
brownish black. Wings(Fig. a) subhyaline,theelongatestigma brownish
yellow, confineil to cell
,Scrl veins black, Cu and,the prearcnlarveins paler. \rerration:S'c, enrling oppositer, Sc, about
oppositethe fork of -lls, the latter nearlv straight; I'variable in position,
sometimeson .8, a u before the fork, in other casesa little more thanits own length beyontltlre fork of Rr*si Bs in alignmentwith Rr*ui
r-m at or just before the fork of -Rs; zz usually long anrl arcuatecl,mucl
longer than the outer cleflectionof Ms, the lattel sometimesgreatly
retlucecl;m-cu variable in position, from srrortly before to just beyonil
the fork of M. Abtlominal tergites brownish black, the hyprrpygium
brownisll yellow; basal sternitesobscure5'ellorv,tlre outer segments
more
infumecl. ]lrale hypopygium (Fig. b) with the onter tlististyle (o) a long,slencler,simplerod, gently arcuatecl to the obtuse black apex. Inner
tlististyle (i) much shorter,the base broail, the clavato apical portion provi'Ietl with from six to eight long setaealong the mesalmargin anclsoveral
smaller punctures at apex. Gonapophyses(g) appearing as very broail
7'r

100

Alerander,

Fauna sunatrensis (Beitrag 39): Superfam. Tipuloitlae.

flatteuedplatos, their mesal margins iuegularly serrulate. 0vipositol
with the tergal valvesvory elongate,gently upcurvedto the acutetips.
Holotype,d, Folt tle Kock, 1925. Allotopotype,g. Paratopotypes,
severald g; Ialvae
live betweenthe bracteaeof the inflolescenceof Hornsted,t'ia,sp. (Scitanrineae);(E d. J a cobsou).
This very iuteresting crane-fly is namerl
i n h o n o r o f M r . J a c o b s o n w h o r e a r e c lt h erather abuntlant material. The cletails of
stluctnre of the Iarva and pupa wf(l be pub\islieil as a later pnrt of the ,,Fatna Sumatrensis6sby ProfessorJ. S. R o g e r s. G. jacobson'isuggests the nruch smaller G. ma,atlliyileura Edw. antl G. fratenta Edw., in
the coloration of the thoracic pleura but is readily toltl by the large
size anrt structure of the male lrypopygium.
Onophomyiafraternoides sp. tr.
iVlale.- Length, a,bout3.6,mrn.; wing, 4.5 mm. - Fenral
frergth, about 4.3-4.5 mm; wing, 4.4-4.6 mm.
Genorally similar to G. fraterna Edw. (Selangor),from which ittliffers especially in the tletails of structuro of the male hypopygium.
Thoracic dorsum clark brolvnish black, this colorationincluding all of thepraescutun ancl the broarl scutal lobesl anterior lateral pretergites
restrictedly obscureyellowl scutellumbrown, the parascutellaantl posteriorla.teralportionsof the scutal lobes obscurebrolvnishyellow; postnotum
black. The black pleural spots are on the anepisternumand postnotal
pleurotergite. Wings subbyaline,the stigma very small, confinedto cell
Scr; veins brownish black. Venation generally as in G,;iacobsoni;
m-cu from one-half to its own leugth beyond the fork of M. Male
hypopygium (FiS. 6) with the apparent
into a long narrowtergite extendingcauclad
nredian lobe, the apex of llhich is split-g into two surallblackenedpoints. The shapeof the styli, especially the clististyles,isas shown in figures 6 aud 6A.
Holotype, 6, Fort ile Kock, 1925.
Allotopotype, A. ParatopotJPesr3 e e(E.Jacobson).
Thele are eviclently several allieil
speciesof Gnophomy'iain the Intlo'Australian Region in which the thoracic pleura is conspicouslymarkeil with-

SupplementaEntomologica XV, 1gZ?.

101

black spots. Ectwards clescribesmacul,,i,yfl,eura
Eilw. antl fraterna
Edw. as havinpythe most posteriorof these spots 0n the hypopleurarather tlran on the metapleura(postnotal
pleurotergite).
Eriopteru (Enpeda) scitula, sp. n.
Heail Iight gray; mesonotal
praescutum
and scutum
shiny coal-blacklhalterespale,the knobslight yellow;
legs obscureyellow, the tips of the femora conspi6t
cously blackenetllwings grayish subhyaline.
Male.- Length, about 2.b mml wing, 2.6-2.8 mm. - Female.
- Length,about3.6 mm; wing, 3.? mm.
Rostrum and palpi dark brown. Antonnaebrowuishblack throughout.
Heatl clear light gray. Pronotum tight sulphur-yellow. Mesonotalpraesctttum shiny coal-black, the lateral pretergites narrowly sulphur-yellow,
the colorationcontinuetlback to tbe wing-root; scutal lobes shiny coalblack, the metlian area brownish yellow; scutellum clearer yellow witha tlusky metlian spot at base; postnotumshiny brownish black. Pleura
shiny brownish yellow vcntrally, the anepisternumand dorsal pleurites
clarkel brown. Halteres pale, the knobs light yellow. Legs with thecoxae anrl trochanters obscnre yellow; femora obscureyellow. the tips
couspicuouslyblackenetl;tibiae brownish yellow, the tips very narrowly
blackenetl;basitarsi light brown, the tips and remaintlerof the tarsi black.
Wings (Fig. 7) grayish subhyaline, the outer costalregion
a little more yellowislr; veinsbrown, Sc antl -R, rnoreyellowish. Venation: Sc short, rSc,
enclirrgat about one-thirclthe
length of Rs, Sc, a short distancefrom its tip, Sr, alone being about
equal to r; -Es long, straightl r about its own length beyonrl the forkof "Rs; Rz relativoly short, diverging frorn Br. Abclomenbrown, thetorgites margiued caudally ancl snblaterally with brownish black, thelateral margins pale; sternites obscure brown, the hypopygium conspicuouslylight yellow. In the female, the tergites are more uniformly
infuscatecl,the sternites paler. Male bypopygium with the bifid outer
tlististyle having the outer arm relatively broail, only a little longer
than the inner arm, the latter expancleclancl broatlly rouncletlat tip.
Inner dististyle a very gently arcnatecl rocl, the apex squaroly truncatetl.
Ovipositor with the long valves pale horn-color.
Holotype, d, Fort cleKock, altitutle 920 m, 1926. AllotopotyPe,Q.
P a r a t o p o t y p e2s , 6 6 ( E . J a c o b s o n ) .
In the coloration of the legs antl the general appearance,tlte present
speciesis closost to E. (E) rninuscul,a Alex. of Formosa, whiclt tliffers

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SnpplementoEntomologioa XV' 1.92?.

in the colorationof the thorax anil-the structureof theconspicuously
male hypopygium. E. (8.) funoralli"s(Edw.), likewise from sumatra, has
the legs very ilifferently coloretlanil the venationtlifferent,Rz+, being
shorter than R' the latter almostparallel with Rr.

zu denFigurenl-7.
ErltiuterungenX'ig.1. Wing of Nesopez&capnor&,Bp. n. - Fig. 2. Wing of N, titania' sp. n. Fig. 3. lfialo hypopygium of.Limonia tri,gonoiiles,BP.tr. Symbols: b basistyle;tt tlorsal dististyle; g gonapophysis;t 9th tergitel v ventral tlististyle.-X'iS. A.
jacobsoni, sp. n. - Fig. 5. Male hypopygium of. G.iacobWing of. Gnogthontyia
soni, sp. n, - Fig. 6. Male hypopygium of G. fraternoiilesr 8P. n. Symbols:a aedeagus;b basistyle; g gonapophysis;i inner ctistietyle;o outer tlististyle.Fig. 6 A. Different view of inner elististyle.- Fig. 7. Wing of Erioptera (Ern'gteda)sutula, n. sp.