Neopilizetes triumnasus Amorim & Norton & Oliveira 2018, n. sp.
Creators: name: Amorim, Saulo S.
name: Norton, Roy A.
name: Oliveira, Anibal R.
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Sarcoptiformes
Galumnidae
Neopilizetes
Neopilizetes triumnasus

description: Neopilizetes triumnasus n. sp.
(FIgS. 15–19, TAbLE 1)
Diagnosis. ROSTRUM WITH SMALL, SMOOTH, SUbRECTANgULAR MEDIAL PROjECTION bETWEEN INSERTIONS Of ROSTRAL (ro) SETAE, TRILObED IN DORSAL VIEW AND bILObED IN fRONTAL VIEW; PRODORSUM AND NOTOgASTER COVERED WITH SHORT CRESTS; NOTOgASTER WITH INCONSPICUOUS LONgITUDINAL DEPRESSIONS: UNPAIRED CENTRAL ONE IN ANTERIOR HALf AND PAIRED DEPRESSIONS IN POSTERIOR REgION jUST MEDIAL TO SETAE h1 AND p1, WITH APPARENT LOW MOUND bETWEEN THEM; POSTERIOR MARgIN fLAT; SUbCAPITULUM COVERED WITH LONgITUDINAL CRESTS. SETA 1c PRESENT.
Etymology. THE SPECIES NAME triumnasus ALLUDES TO THE MEDIAL PROjECTION bETWEEN INSERTIONS Of ROSTRAL SETAE WITH THREE TIPS, AS ObSERVED IN DORSAL VIEW.
Dimensions. BODY LENgTH (N=5) 365–394µM AND WIDTH 286–322µM.
Integument. MODERATELY COVERED WITH CEROTEgUMENT.
Prodorsum. SCULPTURINg fORMED bY VERY SHORT CRESTS OR TUbERCLES COVERINg ENTIRE SURfACE. ROSTRUM fORMINg AN ELONgATED SMALL, SMOOTH, SUbRECTANgULAR MEDIAL PROjECTION bETWEEN INSERTIONS Of ro SETA, TRILObED IN DORSAL VIEW AND bILObED IN fRONTAL VIEW. SETAE ro, LAMELLAR (le) AND INTERLAMELLAR (in) DIRECTED MEDIALLY, bARbED, LENgTH AbOUT 1/2 THEIR MUTUAL DISTANCE; ro WITH ~22µM; le AND in Of SIMILAR LENgTHS, ~64µM. SENSILLUS (ss) THICK, SHARP–TIPPED, WITH SERIES Of DISTINCT bARbS OCCUPYINg ALMOST ITS ENTIRE EXPOSED LENgTH, ~110µM (FIgS. 15A–G, 16A, E, 17A, B, 19C).
Notogaster. OUTLINE CIRCULAR TO PENTAgONAL IN DORSAL VIEW. POSTEROLATERAL MARgIN Of NOTOgASTER fLATTENED, VERTICAL bETWEEN SHARP ANgULAR bEND AND VENTRAL EDgE (FIg. 16B). WITH INCONSPICUOUS LONgITUDINAL DEPRESSIONS: UNPAIRED CENTRAL ONE IN ANTERIOR HALf AND PAIRED DEPRESSIONS IN POSTERIOR REgION jUST MEDIAL TO SETAE h1 AND p1, WITH APPARENT LOW MOUND bETWEEN THEM (FIg. 16D). CUTICLE MOSTLY WITH VERY SHORT CRESTS, APPEARINg ALMOST SPINE–LIKE; POSTEROLATERALLY WITH LONgER CRESTS, RADIALLY ORIENTED. PTEROMORPH COVERED WITH LONg STRAIgHT CRESTS, RADIALLY ORIENTED, WITH SOME SHORT CRESTS AMONg THEM (FIgS. 15A, 16A–E). NOTOgASTRAL SETAE fLEXIbLE AND bARbED, MOST SIMILAR IN SIzE TO SETA in; c2 ~78µM; la, lm, lp, h1, h2 AND h3 ~63µM; p1, p2 AND p3, ~25. LYRIfISSURE im ObSERVED IN DORSAL VIEW; ih, ip AND ips ObSERVED IN DORSOLATERAL VIEW; ia AND im LARgER THAN OTHERS, ih AND ips CLOSE TO EACH OTHER, IN THE LEVEL Of SETA p3 (FIg. 15A). OPISTHONOTAL gLAND (gla) LOCATED bETWEEN LYRIfISSURES ih, im, ips, IN REgION Of SETAE p3 AND h3. OCTOTAXIC SYSTEM INCOMPLETE, COMPRISINg TWO PAIRS Of SACCULES, Sa AND S2 (FIgS. 15A, 16A–D).
Ventral region. COXISTERNUM IRREgULARLY TUbERCULATE; ANOgENITAL REgION WITH RAISED RIDgES fORMINg IRREgULAR NETWORK Of CELLS. EPIMERAL SETATION 2–0–1–2; SETAE 1b, 1c, 3b, 4a AND 4b RIgID, SMOOTH, ACUMINATE AND SHORT, ~8µM (FIg. 15F). CIRCUMPEDAL CARINAE (cp) SHARP (FIg. 17C). DISTANCE bETWEEN gENITAL AND ANAL APERTURES AbOUT EqUAL TO LENgTH Of gENITAL PLATE (FIgS. 15F, 17C). GENITAL PLATE COVERED WITH TUbERCULATED CEROTEgUMENT; APERTURE SUbqUADRATE, SLIgHTLY WIDER ANTERIORLY. GENITAL SETAE SIMILAR IN fORM TO EPIMERAL SETAE: g1 AND g2 ~11µM, INSERTED ON ANTERIOR MARgIN Of PLATE; g3, g4, g5 ALIgNED IN MIDDLE Of PLATE, g6 SIMILAR, bUT ON POSTERIOR MARgIN Of PLATE, ~8µM (FIgS. 15F, 17E). AggENITAL SETA (ag) NEAR POSTEROLATERAL CORNER Of gENITAL PLATE, SIMILAR TO EPIMERAL SETAE IN SHAPE, ~8µM. ANAL APERTURE NEARLY PENTAgONAL, WIDER POSTERIORLY; PLATES COVERED WITH TUbERCULATE CEROTEgUMENT; ANAL SETAE (an1, an2) SMOOTH, ACUMINATE, ~7µM; ADANAL SETAE (ad1, ad2, ad3) SMOOTH AND ACUMINATE, ~11µM. LYRIfISSURE iad PARALLEL TO LATERAL MARgIN Of ANAL PLATE (FIg. 17F).
Gnathosoma. SUbCAPITULUM COVERED WITH LONgITUDINAL CRESTS. TWO PAIRS Of or SETAE, ~ 9µM; SETA a AND m LONgER, ~14 AND 10µM RESPECTIVELY; SETA h SHORTER, ~7µM (FIgS. 15E, 17D). CHELICERAE DENSELY POROSE bETWEEN LINE en AND bASE Of MOVAbLE DIgIT; SETAE cha AND C hb LONg AND bARbED, ~54 AND 35µM, RESPECTIVELY. TRägARDH'S ORgAN (trg) DIRECTED SLIgHTLY DORSAD, ~35µM (FIg. 18D).
Legs. TRIDACTYLOUS. NOT COVERED WITH CEROTEgUMENT; MOST ARTICLES SMOOTH, EXCEPT TROCHANTER III–IV AND fEMUR I–IV. PRETARSI WITH LATERAL CLAWS THINNER THAN EMPODIUM (FIgS. 18A, C, E, F, 19D). SETAL fORMULAE (LEgS I–IV): TROCHANTER 1–1–1–1, fEMUR 4–4–2–2, gENU 3–3–1–2, TIbIA 4–4–3–3 AND TARSUS 20–15–15–12 (TAbLE 1). LEg I fAMULUS (ε) SHORT, ~6µM, WITH EXPANDED TIP, INSERTED POSTERIOR TO SOLENIDION ω1 (FIg. 18G). LYRIfISSURE ly AT bASE Of TARSUS, NEAR ARTHRODIAL MEMbRANE SLIgHTLY TO ANTIAXIAL SIDE. SOLENIDIA NUMbER, fORM AND DISTRIbUTION AS SHOWN IN TAbLE 1.
Material Examined. THE HOLOTYPE fEMALE AND 39 PARATYPES (4 MOUNTED IN SLIDES ENTIRE AND 15 DISSECTED, 20 MOUNTED ON A STUb fOR SEM) WERE COLLECTED ON 10 –I–2008 AND 13 –VIII–2013 bY ANIbAL R. OLIVEIRA fROM SOIL –LITTER INTERfACE SAMPLES IN A CACAO PLANTATION AT UESC, ILHÉUS, BAHIA, BRAzIL, 14°47'49"S, 39°10'23"W. THE HOLOTYPE AND 25 PARATYPES ARE DEPOSITED IN THE ACAROLOgICAL COLLECTION AT UESC, 7 PARATYPES ARE DEPOSITED IN THE ACAROLOgICAL COLLECTION AT THE ESCOLA SUPERIOR DE AgRICULTURA “LUIz DE QUEIROz” (ESALQ), UNIVERSIDADE DE SãO PAULO (USP), PIRACICAbA, SãO PAULO, BRAzIL, AND 7 PARATYPES ARE DEPOSITED IN THE ACAROLOgICAL COLLECTION AT DEPARTAMENTO DE ZOOLOgIA E BOTâNICA, UNIVERSIDADE ESTADUAL PAULISTA (UNESP), DZSJRP, SãO JOSÉ DO RIO PRETO, SãO PAULO, BRAzIL.
description: Published as part of Amorim, Saulo S., Norton, Roy A. & Oliveira, Anibal R., 2018, The Neotropical mite genus Neopilizetes (Oribatida: Galumnidae): redescription of N. neotropicus, rediagnosis of the genus, and descriptions of four new species, pp. 567-599 in Zootaxa 4410 (3) on pages 586-592, DOI: 10.11646/zootaxa.4410.3.10, http://zenodo.org/record/1221724