The Genus Dolichopeza

ll9

THE SOUTH AFRICAN SPECIES OF THE GENUS
DOLICHOPEZA CURTIS (TIPULIDAE, DIPTERA).
BY CHAITLES P. ATTEXANDIIR'
Massachusetts Agricultural College, Amherst. Massachusetts, U.S.A'
In

thedevelopmentof ourknowledgeof the crane-flY faunaof South Africa, the late Dr. I'. A. P6ringuey plaled a very
Ahnost all of the species that haveimportant and critical part.
been describecl from the Cape region during the past half century
were either collected by Dr. P6ringuey himself or submitted to
specialists by hirn in behalf of the c:ollections of the South African
Museum. The first of these collections wa-s dist:ussed by Rergrotlt
in 1888 (Ilntomol. Tidskrift,9: 127-141,pl.). More reccntly (19171921) the 'vriter has published a ser:ies of three palers on thecrane-fliesof South Africa (Ann. S. Afr. $Ius., 17, part 2:139-184'
pls. 10-14; 1917 lbi(I,.,18, part 2: 181'230, pls. 3-4; 1,92lilbid.' L8,
part 2: 231-234, fig.i 191'f) based entirely on the irnportant
At the suggestion
collections of the South African }fuseurn.
of L)r. P6ringuey, the writer had plauned antl partly wrir,ten arevision of the crane'flies of South Africa, a work that vas tohave been published in the Museum Annals, with an introduction
on the faunal areas by Dr. P6ringucy. It has been keenly realized
in the preparation of this work that our knowledge of thesefragile, long-legged flies occuning in the Union of South Afi'ica is
still very fragrnentary, especially as regards the detailed distribu'
tion, both geographical antl seasonal, of the small ancl metliutu sized
species.
The South-west District of the Cape Province, anrl
The writer
Natal, will certainlv prove of exceptional interest.
rvould appreciate very much the co-opelation rrf entomologists andcollectors in any parts of South Africa in making known thisinteresting fauna.
Orane-flies may be told from other similar anal related flies
lr.y lheir usually excessively long ancl easily broken legs' a featurelhrrl has made the group undesirable to many entomologists who
ffowevcr,
hnve rro appreciation for any but perfect specimens.
lro irrrlividuals shoulclbe cliscardecl,no tnatter how broken or maimeal
llrry rna.v lle, because the charaeters most needetl for fitral specificrlcturrnirration (n'ings and male hypopygia) are such that some
rrrrrlilttlion of llre spceirnen is often required in any case. Crane'g i l rrn l ,i ons
movl xr swr r pl l' r r r t t tlit r t li v rrg c l u l i o rt:tl o ttg s tl ' o i l ttl si trrrlsi rrri l i tl si tual i otts'
especial
trlouulaittou$ and hillt regions support a peculiar fauna ofascertds
int,erest and the variety of species changes notably as one
are apt
pe;rksexposedhighertheofspeciesThe
a given range.
jnterest'
variousThe
cspecialofareto be nearly wingless ancl
tiny
froul
in
size,
range
tremendous
species of Tipulidae show a
inches
three
than
more
miOge-lit<e pvgmies to giants that spread
Because of their fragiie nature' it is best too."o** their wings.
least not toreserye a bottle ol vial entirely for crane'flies or atothermix them with Lepitloptera or heavy-bodied specimens ofo rd e r s . W hendead t} e s p e c i m e n s s h o u l d b c p l a cecl i nsmal l paper
the p|'ace,triangles such as are used in papering butterflies, v-ith
oncleatly
namewritten(1a,tccol'l'ector's
andol,titide (if possible) ,
given
a
from
flies
numberof
theseA
the outside of the errvelope.
place on the same date may be placed in a single envelope'
When a sufficient
especially when approxirnafel.y of a size'
theynumber of triangles to warranl a shipmrlnt have accumulatetl'
thinbetweenshould be placecl in a strong wooden or rnetal box
smallalayers of cotton to prevenl shaking, and, if available'
in to keep
amount of porrdered naphthalene should be spr:inkletl
receivedi
orts, book'lice aud other destructive pests au'ay' Whenfornrountedaud
arerelaxedby the specialist, these specimens
aud
triangles
inpreserved
Newly killetl specimens thus
siuOy.
thepactea as clescribed above always travel more saliely throughratheraMoreover,mails than do pinned and spread specimens'
parcel which
considerable nuurber can be sent in a silgle smalllate'
may be forwarded. to any part of the world at Sample Post
Tipuloidea
It is to be hoped that 1he work of a revision of theof thef)irector
late
the
by
desirecl
and.
plannetlof south Africa, as
tobe
impetussufficient
receivervillSouth African l\[useurn,anduniquesTypesconelusion.
carried through to a final sqccessful
Africanshould be preserved in a safe repository, of which the South
example'Museum must be consiclererilas being a splendid
fout:
In the South African faunal subregions' three of thed'iscoverecl'
existing families of the superfamil-v Tipuloidea have beenrernarkable
The primitive Tanyderidae are r:epresentetl ouly by the
Ptychoptrlridae
The
Alexantler.
endeLic gents Pdringu,eyonryin'rt'
in theare knorvn to date onty ty a single species of Ptgchoptera'
the
in
fall
speciesofgreatest
trumberThe
eastern districts.
each
Tipulinae
anC
Limoniiuae
farnily Tipulidae, the subfamilies
ttre ihird group' thebeing represented by an abundance of species,
Tbe
in Atrica'
CyUnarotominae, not hnving yet been tliscoveretll'irrrorriirrrrr.
rr'(' rr'rrtt,srrrt0rr
rr.v rrrc rrrrrlc rr.irx,s r,irnotriirri.
ffcxirlrrrrrirri irrrrr r,)r'iolrrt'rirri, lhegcncra Dia"an.om,yiu,,
I'scrr'tl,It\ttt
tt'philct, IIrir.t'ptr:,raanrl Grnr.tnttlia
being especiaily
c'aracter.istic. The Tipulinae are best represented.
by species.f
I) olichoyteza, Longuc"io, ? i,nila and.Nephrototna, a very
eonsitlerabreuumber of endemic genera and subgeneraof Tipuloitlea oceur inSouth Africa.
In the present small paper, the writer
wishes to discuss asubgenusof crane-flies,ofthegenus noric hogteza
ourtis' No speciesof-Trichod.oricrtopeza
the typical subgenushave been found inSouth Afr.ica.
The s'bgenus Triehorlol,ichopeaa
is conflned to
the Dthiopian Region and reachesits maximumof speciatiolr, as
k'own, in south AfricaThere probatrl-vremain stil! otrrers ofrelatively large, delicatel-vbuilt flie.s,withexcessivelyto'g'''eseslender legs. Nothingarrd
has been recorcredof the habits of thenrembersof the subgenus,but judging frorn
the related forrn,
Dol'ichopeaa,the flies shourd be foinil in
damp. darkenetr praces
as heneath bridges, in culverts, outho.ses, aroundthe buttressesof great forest trees, especiall;,where thes1,12ys
been overturnedin sto'ms and reft cavernoushollows about theirroots, in caves
and creyices in and uear the shaded banks ofstream,s,and. insimilar darkened and secrutredsituations. rn
such retreats, theseflies will presumably be found, either swarming
etherially up antl
dowrr or clinging to the roof of the hollow
hy one or two 1,iirs oflegs.
fhe types of the four ne' speeiesdescribed at
this tirue arepreservedin the collection of the South African
Museunr.
Family TIPULIDAE
Subfamily TIPLTI"INAE
Tribe Trpur,lNr

1.

Genus DOLICHO?EZA Cartis
182b Brit. Entomol., p. 62.
SubgenusTnrcsopor,rcnopnzA
Alexander
L91Z Ann. S. Afr. Mus., \,o1.1?, part2, p. 787.
A Key to The South. African x.lpecies
ol Trichorlol,i,chopeza.
General coloration ligbt or:ange_.vellotrr
including the head;thoracic stripes scarcel.y inaicateO;
wings tinged withyellow; tip of 82 entirel.y preserved.
(Ann. S. if". Mor.,
vol. 18, part Z: 212-Z1B;7g2t) (Nata.l).
D. (T.) aurantiaca Alexancler.

42

2.

Th,e Genus Dol,ichopezo

Chos. P' Al'eoaniler
d'ark brown orGeneral coloration tlarker, the thoracic uotum
withyellow with dark brown stripes; head usually marked'
strongly tinged
dark (unhnown in thot'oci'co) ; wings not2'
atrophiecl'
less
or
more
rvith yellow; tip of E2 usuallydark brorvn' the
Mesonotum uniformly dark brown I head
sending a paleyellow'
subglobose verticat tubercle bright(maleyellorvish brown rneclian line back to the occiprrt;
media'nthehypopygium with ttre ninth tergite flattened'
weaklylobe projecting but quite srnooth I inner dististylechitinizetl).
D' (T') flavifrons' sp' n'(Cape Colouy, Oud,ebosch)stripes on the
Mesonotum yellow, with three or four brorvn(unknown inabove
aspraescutum; head not colourett

4:lventral shelf lying ventrad of the dorso-tergal plate, more simple
in structure in D. flatti,frons and, D. pdringuegd vthere tbere is onlya spinous lobe ventrad of each end of the ninth tergite.
D ol i chopeza (Tri c hodolichopeza) f lhvif r ons, sp. n.
Vertex dark brown, the vertical tubercle light yellow, sending
a pale median area caudad to the occiputl mesonotum uniformly
dark brown I rvings pale grey, stigrna conspicuous; medial celtsof wings deep; macrotrichiae ralher sparse; male h.vpopyginrn with
the ninth tergite flattened, the nredian area slightlv produeed;
ventrad of the lateral ends of the tergite a conspicuous chitinized,
lobe densely set wjth spines: inner dististyle only feebly chitinized.
Mal,e. - Length about g mm.; wing 10.3 mm.
Femal,e. -Length 11 mm. I wirrg 12.b rnm.

thoracica)?:segments
segments tlarli, the tips of the basnl
Flagellar
head Sellow
Jarrorvly pale to give a bicolorous appearalrcel
inriermarginsthewith two large briwn blotchcs <lu vertcx,
preservecll med'iau
of tbe eyes iroadly yellow; (tip of /?3
slightl)'' ploduced
area of ninth tergite of rnale lrypoJrygium(Natal)'antl conspicuously tlenticutate)'D. (T.) PicticePs' sP. u'
not marked as
Flagellar segments unifornrly ilarkenecl; head
4'
above (unknown in thoracico\

Frontal prolongation of hdart testaceons, the dorso-medianline dark browu, this colour including the stout nasus; palpi
Antennae moderately.vellow, the terminal segment infuscated.
elongate, the scape yellow, the first segment darkened at the base;llagcllrrnr black, the first segment paler basall.y. Vertical trrberele
corrsJricuolrsly
light yellow, the remainder of the vertex dark browu
except a pale brou'n median ar,ra continued to. the occiput,
restricting the darker brown to conspicuous areas adjoining the

4 ,P et ioleof c ellll y ' l m o re th a n o n e ' h a l fth e r:e l l l antennaeofmal e(male hypopygiun withelongatel heai uniformlv yellowi
medially, thc
the ninth tergite small, broaclly notched
Toutn)'(Cape
Co'lony, Capemalgins quite smooth)D. (T.) P6ringueYi' sP. n'
the cell: antennae
Petiole of cell M1ltom one-third to one-fifth(r.rnknownof male not so elongate; head marked rvith darker
5'
it thora,c'ica).
17t
vol'
S' Afr' Mus''
5. Median praescutal stripe entire' (Ann'Cal'erl'on)'(Cape
Colony'191?)
pat 2: 15?-158;
D. (T.) hirtiPennis Alexander'
tlie ends; (ninth
Meclian praescutal stripe bifid except at
the margiu.srnoothtergite of male hypoplgium highly archecl'
m ec lially ;a u " .,t" a tc h i ti rri z e d l e c l g e berreath;i nnerdi sti styl eantl ribbetl)'heavily chitinized, longitudinally groovetl(T')
thoracica' sp' n'D'(Cape Colony, Eumansd'orp)'
structure iu
inTlro rnalc hvpopygium is more intricate
where there is a cotnplexJ)til.ichtt1tt':rt|trrn'u'cicalrncl D' Tticticeps

Pronotumbrownishtestaceous, darkbrownuredially.
l\l.s.rmturn uniformly dark brown, with no distinct markings, theIrrrnrrrrirl r,egion of the praescuturn very narrowly yellorv. pleura
obscrrnr yellow, more whitish ventrally, wil.h a conspicuous brown,
rlorsrrl, lorrgitudinal stripe extentling from flre propleura to therrlrrl,rrr.rr; it conspicuous dark brown line ou the sternopleurite;
xlr.r'rrrrrrrp:rkl. Ilalteres pale brown, the knobs dark brown withurlrr li1rx, Lcgs with the coxae obscure yellow, tbe cephalic face
nl l,ho busc slightly infuscatedl femora and tibiae brownish blaek,l.he lirrrrrr.ll lrtsc's A little paler; tarsi paler brown, \[rings with
rr ;r:rk'grrr.v lirrgcl stigma conspieuous, tlark brown; cell Sc, thec.rrl lrrrrl llrc vcins beyond it seamed u'ith brown; obliterative aneag
lr.f.r'. 'ur(l lx'r'o. I ilc stigma, the latter including the last section,f fy' rrrrrl thr'1rt'liolc of cell 712. I\{acrotrichiae on cells 2,nd /11 plrrs
l l y l o l l l ; i rl rrrosl lir r . king, in cells / 1. , and / l; not I ) r esont or r l, hel rrrrrrll l ri t' ,1ol ' l i rt. r , r . lls. \ 'enlt lir it r : l) ist al ser : t ior rof / r l2ir t r ogr lr icr; lr' r,l l r.l /' , If. rrrrrl , 4/ ; 1r lr , r '1r;;xt liolr . of ccll 4/ 1 t r lil{kr lor r ger lhur r
l l rttl ol ' r' r,l l i l /.,.

3.

E.}?S.

trr. b.se
-Alrrlrrrrcrr
arx'-x of each segm*nt'bst'rrre .r'.rlrq,,^rrd
broa.ly blackenea,
ye'ow nredial portion
being
na'.ower than'-largely'rethe black incisures;subterruinal
segments
black;
hypopygium obscure yellow.
Mate hypol.rygium with ihe njnflr
tergite not a.c'ated, flattcned, the margin
tristincfly projecting
as a broad flattenecl brack median lobe. tlre caudal,nargii of which
is very feebly concave, the dorsal surface
weakly granulose.
Ventrad of the ends of the tergal plate a conspicuous
eytindricall.be, the head tlilatetr antl obriq'ery t.rncate, here
set rvitb abunda^t
black spines. the lateral angle prod'ced caudad. o'ter
ttististyle
broken.
rnner distist,'le not conspic'r-ruslv chiti'izerl as
in "I).
thoracica, the dirated base pale bros'n, beyond which
it is narrowed,
curved. strongly dorsadg arong the rateral face of theapex ablackened chitinized blade, this being the <lnlv strongly
chitinizerl
region of the dististyle.
Eabitat: Sou h. Africa (Cape Colony) . Hototype,6r, Oude.
bosch, caledon Division, Decembe^r,L920 (.Lightfoot1."' i'ltitopotupe?
Do l ic hopez a ( T r ic h o d o l i c h o p e z a ) p i c ti c e p s , gp.
n.
Ifead yellowl two large dark brown
blotehes on vertex, themargins of eyes broatll.v yelloq, frontal
prolongation of headlyellow abo'e, dark browu laterally
I antennae of mare rnoderately
elongate, the basal flagellar segments indistincfly
bicolorous, darkbrown, the tips narrowl.v pale rresonotalIwith themerlian stripe more or less split b.v a pale line;'raescutum
scutum, scutellum,
and postnotum dark, conspicuousl.ypale medially;
male hypopygium
having the tergite witha dorso_median lobe, the margin
microscopicallv denticurate; ventracl of this aconspicuous, heaviry
chitinized, spinulose shelf.
trfale. - Length about g.b mm.; wing g.B mm.
Fenzele. - Length about 10 mm.; wing 10.g
mm.
Frontal prolongation of flre head.yellow above, the sides
conspicuously clark brown ; naslts comparatively
slender, yellow;
palpi with the first segment dark brown basally, paleat tipl second
and third segments reddish, the terminal segment
dark'brown.
Antennae of male rather elongate, if bent backward
extending
about trl the base of the abdomen; scapar segrrrentsobsc.reyellow;basal flagellar segments dark brown, the first paler atbasej apicesof flagellar segments ond to four narrowly but conspic,rously
pale
to produce an indistinct bicolorous effect. Ifead yello*;u .oospicuous dark brown blotch on either side of tbe vertex, indistincfly.':i,,*il";'"11";;::llllll
l'illi,ilj; i',lti,
lllli;;":J;11.il,fi:1.;

rrrrj'irrirrg rrre t1'es ;rn,,uitintety
nurrioa the narrorvestportiorrl" v.r'.ex1i'the male,oftheseuot""io* an. posteriorvertical spotsflr(! nlore or. lesg crinrrected.
]ltcsorrotalc,rrs1,ir.r'rs,,,,,.,1'il.:,1:fi'i1j,,,".f1,i",,"
IlHl .ililll*u,_Xi:'i,,:r
lrI it t'r'rlrlislt hr',,,'tt lirrc,
irr tlie fernale

conl.inued a,nost tothe;rosl r,r,i or.(,l r(lol ' l l r c slr . i. pc; hr r nr er ulregion
lar gel"y occupied by a
Irr'g. 1111111'1r
rrr'(':l."1,Uroto,t fr.r. thc
three praescutal-,rti.cr.;'rtri grl s i rr l l rc furrrale,co. r f luentn.
. it n il, e lr t er al
st
r
ipes
iu?u m alel.
x.rrrrrrrr*'irrr ,re rnedianarea conspicnousll'c,ntinued
lrtrle,eaudadorr l o 1111,
scrrtti l urn,t he lobes aa"tU"or;';'r.g*'.vr'ediauv,
thesitres
a;;;#.t T',t:j|}'TljriJ-ll,Hl
Ii l"ll';,,1'iit:11'"*Jl:1:i:"): ao"tt'"oo"'ro'sit;;;;;ishipes,

sr.r'opreurit",th;"f;Ll;if#":TJil"llXi,1l#1fr".11"::rf"",*"iatteres<Iirrl<cned
except medially nu"uoif..
dark brown, the basepakr, the apex of the t<nonindistincf) pale. Legs
with the coxao.1rrlhw, darkened basally, on tore
f*r,e; tr.ochantersobscu"e.verrow;"-o*uan..or.oing the entire outer;;;;"brown, tlarkening t'ward
the tips, the extrcme apex
indisiincfly pale: tibiae antl
tarsi tlark
brown. wings as in ihe;*il;;;;lesofthesubgenus;
macro_
trichiae rather sparse, ineells M2- and-rf;, confined to ,re aistar
ends of the cells; in the rarriar*rr*'an" macrotrichiae are
uumerous and continuetl iutoo.ore
the basesof flre cells.
Venation:l?z Pcrsistent, the distal
secti,r" ;;ti
about six mu."ot"i.t,iu";

ffi1Ttr.:tfJ:ly"

deep;cell'u' uuuoltwoanttone-harrrothreo

Abdonrinal segmentsotrscureyell'w, broatlry blackened
basarly
and apica'y, restricting the
groun;;;i;r"tona*rw
nrediarareasthat are more conspicuousl;"";ll;;;o,0" *ooa"rminal segnents
the ground colour is restrieted
to flre'nar

hypopygium;il; -verrow.
ru"r"-;;;:,;#:nTJ.T:i:i:il,i;
nedianr"b;,1#::r:?t'::,$T:f.ff1-t'

caudarrnarginor;li* rnr,udenticres. "*i::,T[Jlr,fl:":::
i,:1,:""
lijn"ilf""'',"i1eonspicuous chitinized band,
Iu.fr' otransverse
u"ro"oot
meerr*-"""L1.'il1*";J:"lr*,vertical arrns largerr_toth.
-quiteu".o. t ui"ilo_T:

set with spinules. Outerdististyle elongate,conspicuous.
lrrner dististvle,.tout--ut
the surfaee hairy, the apex
Uo*u,.hitirri;;;, short ur,d ;;;;.
feebly46

Chus. P. Al,enand,et

The Genus Dol,iclrcpeaa

notched. Aedeagus short antl stout with a conspicuous chitinizedapophyse on either side, appearing as a shoulder.

margined. withnarrowly
dark brown I veins dark brownMacrotrichiae very abundant, extentling caudad to cell Cuy ia
t:ells M1 and :1y'2occup"v*ing;
the cellr,r,exr:e1itirr their basesI cell .lI3
with numerous macrotrichiae in distal half; in cells.E3 and. Es,
the mar-'rotrichiae continue almost to the bases of the cells in theircentres. Venation: Distal section of R2 persisterrt. r'ith uracrotriclriae almost to margin; Rz * 3 and fi3 in alignment; cell M1,
srnall, only about twice its petiole; petiole of cell ,112about rxre-halfl he cel l .
Abdorncn obscnre yellorv, the caudal margius of the individual
segurents narrowly infuscated, ihe bases of each segment lessdistinctly darkcnecl.
Ifale hypopygium small and of sirnple
structure.
Ninth tergite flattenetl, feebly arched, consisting of asmall plate, the caudal margin smooth, with a broad and sL.allow
U-shaped notch I ventrad of the later:al ends of this tergal plate,a short, chitinized lobe bearing comparatively few (about 15) small
black spicules that are broaclly interruptecl on Ure median areaOuter dististyle unusuall)' long and eonspicuous, cylindrical, withoutspreading setael inner distist.vle comparatively short anil stout,<'hitinized, the apex subtruncate antl bearing two small tecth ; acorrspicuous blunt lobe on lateral face of st.vle near base.

Eabitat: South Africa (Natal) . Hol,otype, 3 t Inchanga.
November, 191.7 (Barnard.). Al,lotype, g, Krantzkop, November.,
L917 (Rarnard,).
This species $'as former:ly /Ann. S. A1'r. tr{us., vol. 18, part 2:
211-212; 1921) determined as D. h,irtipenrlfs Alexander., andadditional specimens of br.rthsexes are in tlre colltlction of the South
African nfuseurn under that name.
Dolic hopez a ( T ri c h o d o l i c h o p e z a ) p 6 ri n g u e yi , sp. n.
Head yellou', including the froltal prokrngation : antennae ofmale elongateI nresonotal praescutunr n-ith four. brorvn siripesI
u'ings rvith the metlial cells ver;' short, cell ,;lfr being only about
twice its petiole; uracrotrichiae in cells yel.y abunclantl rnale
h.vpoirygiurn with the tergal plate small, sirnple. the caudal margiu
smooth and rvith a U-shaped notch; a small spinulose arm ventrad,of each lateral end of tergal plate.
Male. - Length about 7 mrn. I wing 8.2 mm.
Frontal prolongution of head short, sonrer.hat shiny, ,vellor,v,
the nasus concolorous, short antl stumpy, n'ith a few long setael
palpi with the basal segment yellowish brorvn, the distal segments
uniformly darkened. Antennac elongate for a nrember oll thissubgenus, if bent backn'ard extending sorrre distance beyoud lhebase ci the abdouren; scalre yellow; flagelltrm unifornl.l' dark
Hearl uniformly .vellow; a faintbrown, thc segments elongate.
impressecl median line on vertex.
Mesonotal praescutum obscure yellow with four eonspieuous
broln stripes, the intermeclinte pail rul.v narrollv
separ..ated,
contiguous be'hind; humeral angles r,r'hitish, iritrncdiatcl.y caudzrdof which is a faint brown spot I seutum obscure yellow, each lobe
dark brorvn, the central portions of the lobes indistinctly paler;scutellum obscure yellow I postnotum obscure vellow medially, thesides of thc rne<liotergite passing into brown. Pleura yellow,
narro$rly ancl intlistinctly striped with brown, the ar.rangeurent atin the rela,ted species of the subgenus; sternopleurite dark, except
medially. Halteres elongate, yellol', the krrobs dirlk brorvn. the tips
very indistincUy pale. Legs with the eoxae and trochanters lightyellow; femora testaceousbrown, tippetl with darker brown;tibiae
and tarsi dark brorvn. Wings strongly tingetl with brown; stigma
dark brown I conspicuous obliterative areas before and be1'ond thestigma, the former extending caudacl flcross ,4f at its fork: corrls ' i l l r rl rtrl i l rro \\' n : rv i rtg l ty rcxrrnrl vr.i n l l rrrl ,l r.r,r' yrrfl r ' l' o\ \ ' lyx r , lr r r r c rl

Ftabittrt: South Africa (Cape Colony).
'f'rrwrr,l{ay, 1920 (.Pdringu,ey)

47

Holotype, J , Capc

'Ilhis interesting and very distinct species is named in honourof llrr-. collector, the late Dr. Louis A. P6ringuey, to whom I am
vrrsll.vindebted for many favours aud. much kind adlviceI)ol i chopeza (Tri chodol ichopeza) t hor acica, sp. n.
General colorationof mesonotuln obscure yellow, the;rlrrcsculrun with three dark brown stripes, the median stripe
corrslrit'lrollslvbifidl wings faintl.v tingetl witlr brorvn; stigma oval.
drrrh ln'orvrr; rncdial cells deep; macrotrichiae rather sparsel ninth
lr,r'gilc vr.r'1'higlrl.v archeal, with a ventral spinose ledge; innerrl i sl i sl l ' k' l rr.l vi l v r;hi ti ni zed, t he out er laee r vit h longit udinal
K t.(x)t' ('istl rrl t' i rl g(| s.
l l l rtl t' .- - Lt' rrgl l r,oxclr r dinghead, 6. 5 m m . I wing 8. 3 m r n.
l l r.rrrl l rrr.l i i rrgi rr the unique t ype.
i\lr.sorrolrrllrnresr,utumobscure yello'w, 'with a conspicuous dark
Irou' rr ;ri rl l r,r' rr,rl i stri l ruler l it s 1'olllr u. s'llcr iiar r sllilr e hr oad inf ronl, Hoorrrulrrorvcrl :rnrl cr-lrrl.inttedeaudad almost to the siuture,
col rx;ri crrorrxl spl
v i l l r.v l lir r c of t lr c gr ount l- colour excent at t hg
l rrl :r, l l rr, l rrrl r.rrrr.rl i rrrr
ns r viilc ns t he nt t r r ow
villr t r t lr ; r r oxit r t r t lr r ly

48

Chas. p. Al,eaand,er

brown intermediate stripes thus formed; a y-shaped
brown markat the humeral angre,compreteryisoratetlfrom thebroad triangularlateral stripes which eross the.suture antl sufluse
the scutal lobes;'rnedian area of scut'm narrorvry palel scutellum and postnotun-dark brown. pleura vellow, narrowly but conspieuously
variegatedwith dark brown, ineluding a rentral stripe on the ,..o*."*o_imnediatelv aborc the coxae; a more dorsal
stripe on theanepisterrrum and a narf'w dark seam 0n themesepimer'n
immediatel.vventrad of ilre rving_root. Tfalteres elongate,^ob*.,rr"
yellow, the knobs dark bronn nith pale apices.
Iigs with theroxae obscure ;'eilow; trochanters brownish yellow;
rirnain.rer ofthe legs broken. Wings tingecl with brown; stigma,
distiucf, oval,
dark brown; pale brown searnsaro,g the corrl andtie l,ngit'dinalveins beyontl the cordI conspicuousobliterati'e areas
belore anrl
beyond the stigma, tlre former r:ontinuerlcautlarl proximarlof thecord, crossing.11irnrnediatelybeforeits fork. ntacrotrichiaesparse,in cells Znd, Rlplus .R2to Cttl in cells Mz, Mz and.
I
Culthey occur
as small patchesin the extreme distal errdsof thecelrs; in ierl .R5
the macrotrichiaeare rnost abundant cristallybut continue
as a thinline near the centre of the cell basad almost to r-m,,
Venatiou: Sc1
endiug opposite the origin of .Es, rgcl representedby aspur; distal
section of .l?2representedby t.no macrotricbio";.u1l*
u 0""p,the petioles of cells If1 and lr'2 subequal.
"itt
Abdominal segmentsobscure yellow, the extreme apex
antl theextreme base of each seg_ment
narrowly dark brown; on tergite
two a brorrr band near midlength of the segment. Iltale hypopygrum
more or ress incrassated; ninth tergite narrowr,ymarginea withchitin, highly arched,viened caudail.vaplrearirrgf i-shape"a,the cntlsof this narrow band dilated and nearing u ru*
spicoi"^; ventradof this outer chitinized margin on oin"" side a.oo*pi"ooo,blackened lobe that is densely spiculose,these spicules
coitin*ed
mesad as a narrow line, meeting on the meson. fnner
tlististyleconspicuo.sly blackened,flre outer surfaee grooved
antl ridged
Iongitudinally, the appendagedireeted mesad andthen dorsad;
apex of inner style irregularry toothe.d.outer dististyleof moderate
length, cylindrical, provided with a few setae.
Habdtat: South Afriea (CapeColony). Holotype,J,Elumans
dorp, Coldstream,January, 1921 (Tucker).