Neopilizetes tigris, Amorim & Norton & Oliveira, 2018

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, Zootaxa 4410 (3), pp. 567-599 : 580-586

Neopilizetes tigris n. sp.

( FIgS. 10–14 , TAbLE 1)

Diagnosis. NOTOgASTRAL SURfACE ENTIRELY COVERED WITH CRESTS; MOST LATERAL CRESTS ORIgINATINg fROM TWO CLOSELY PAIRED LONgITUDINAL CENTRAL CRESTS; LATERAL CRESTS IN ANTERIOR HALf MOSTLY TRANSVERSE, THOSE IN POSTERIOR HALf ObLIqUE; POSTEROLATERAL NOTOgASTRAL MARgIN bENT SHARPLY VENTRAD; LYRIfISSURES ih, im AND ips POSITIONED IN DORSOLATERAL CURVED SURfACE Of NOTOgASTER; POROSE AREAS A1 AND A2 EACH ON SMALL POSTERIOR PROTUbERANCE COVERED WITH A THIN LAYER Of CEROTEgUMENT; SETA p1 ON SMALL TERMINAL PROTUbERANCE; SETA 3b AbOUT THREE TIMES LONgER THAN OTHER EPIMERAL SETAE.

Etymology. THE SPECIES NAME tigris ALLUDES TO THE SIMILARITY Of THE NOTOgASTRAL SCULPTURINg TO TIgER STRIPES.

Dimensions. BODY LENgTH (N=11) 300–350µM AND WIDTH 229–274µM.

Integument. MODERATELY COVERED WITH CEROTEgUMENT IN THE PRODORSUM AND VENTRAL REgION. DENSELY COVERED ON THE NOTOgASTER.

Prodorsum. MOSTLY LONgITUDINAL fLAT-TOPPED CUTICULAR CRESTS ( FIg. 10F ) bETWEEN LEVELS Of ROSTRAL (ro) AND INTERLAMELLAR (in) SETAE; CRESTS INTERRUPTED bY TRANSVERSE fLAW IN PROXIMAL THIRD; SCULPTURINg Of LATERAL REgION RETICULATED ( FIgS. 10G , 11F ). ROSTRUM WITH SMALL, SMOOTH, SUbRECTANgULAR MEDIAL PROjECTION bETWEEN INSERTIONS Of ROSTRAL SETAE. SETA ro THIN, LENgTH AbOUT 3/4 THEIR MUTUAL DISTANCE, WITH fEW, bARELY VISIbLE bARbS; le THIN AND SMOOTH, DIRECTED MEDIALLY, LENgTH AbOUT 1/4 THEIR MUTUAL DISTANCE; ro AND le Of SIMILAR LENgTHS, ~22µM; SETA INTERLAMELLAR (in) THIN, SMOOTH, DIRECTED MEDIALLY, LENgTH AbOUT 1/8 THEIR MUTUAL DISTANCE, ~11µM ( FIgS. 10A, D, G , 11E, F , 12B ). SENSILLUS (ss) THICK, SHARP- TIPPED, WITH TWO PARALLEL SERIES Of bARbS OCCUPYINg ALMOST ENTIRE EXPOSED LENgTH, ~110µM ( FIgS. 10C , 14C ).

Notogaster. OUTLINE CIRCULAR TO PENTAgONAL IN DORSAL VIEW, WITH SMALL CONCAVE EMARgINATION POSTERIORLY, fORMED bY PAIRED TERMINAL PROTUbERANCES ( FIgS. 10A , 11A, C ). POSTEROLATERAL MARgIN Of NOTOgASTER fLATTENED, VERTICAL bETWEEN SHARP ANgULAR bEND AND VENTRAL EDgE ( FIgS. 11B, C , 12A ). NOTOgASTRAL SURfACE ENTIRELY COVERED WITH CRESTS; MOST LATERAL CRESTS ORIgINATINg fROM TWO CLOSELY PAIRED LONgITUDINAL CENTRAL CRESTS; LATERAL CRESTS IN ANTERIOR HALf MOSTLY TRANSVERSE, THOSE IN POSTERIOR HALf ObLIqUE ( FIgS. 10A , 11A ). PTEROMORPH WITH CRESTS RADIALLY ORIENTED ( FIgS. 10A , 11B , 12A ). MOST NOTOgASTRAL SETAE SIMILAR IN SIzE TO in; c2, la, lm, lp, h1, h2, h3 p1, p2 AND p3, ~ 9µM, WITH SETA p1 ON SMALL TERMINAL PROTUbERANCE ( FIgS. 10A , 11B, C ). LYRIfISSURES im, ih, ip AND ips ObSERVED IN DORSOLATERAL VIEW, ia AND im LARgER THAN OTHERS, ih AND ips CLOSE TO EACH OTHER, AT LEVEL Of gla ( FIg. 10A ). OPISTHONOTAL gLAND (gla) LOCATED bETWEEN LYRIfISSURES ih, im, ips, IN REgION Of SETAE p3 AND h3 ( FIg. 10A ). OCTOTAXIC SYSTEM INCOMPLETE, COMPRISINg TWO PAIRS Of POROSE AREAS, A1 AND A2, EACH ON SMALL PROTUbERANCE COVERED WITH THIN LAYER Of CEROTEgUMENT ( FIgS. 10A , 11A–C ).

Ventral region. COXISTERNUM IRREgULARLY TUbERCULATE; ANOgENITAL REgION WITH RAISED RIDgES fORMINg IRREgULAR MAzE. EPIMERAL SETATION 2–0–1–2. SETAE 1b, 4a AND 4b RIgID, SMOOTH, ACUMINATE AND SHORT, ~4µM; SETA 3b REACHINg AbOUT THREE TIMES LENgTH Of OTHER EPIMERAL SETAE, ~13µM; SETA 1c REPRESENTED ONLY bY ALVEOLUS ( FIgS. 10E , 12E ). CIRCUMPEDAL CARINA (cp) SHARP ( FIg. 12C ). DISTANCE bETWEEN gENITAL AND ANAL PLATES AbOUT 2/3 Of gENITAL PLATE LENgTH ( FIgS. 10E , 12C ). GENITAL PLATE COVERED WITH CEROTEgUMENT; APERTURE SUbqUADRATE, SLIgHTLY WIDER ANTERIORLY. GENITAL SETAE SIMILAR IN fORM TO EPIMERAL SETA: g1 AND g2, ~10µM, INSERTED ON ANTERIOR MARgIN Of PLATE; g3, g4 AND g5, ALIgNED IN THE MIDDLE Of PLATE, g6 SIMILAR, bUT ON POSTERIOR MARgIN Of PLATE ~4µM ( FIgS. 10E , 12E ). AggENITAL SETA (ag) APPROXIMATELY MIDWAY bETWEEN ANAL AND gENITAL PLATES, SIMILAR TO EPIMERAL SETAE IN SHAPE, ~4µM. ( FIgS. 10E , 12F ). ANAL APERTURE NEARLY PENTAgONAL IN OUTLINE, WIDER POSTERIORLY; PLATES COVERED WITH CEROTEgUMENT; ANAL SETAE (an1 AND an2) SMOOTH, ACUMINATE, ~4µM; ADANAL SETAE (ad1, ad2, ad3) SMOOTH AND ACUMINATE, ~4µM. LYRIfISSURE iad PARALLEL TO LATERAL MARgIN Of ANAL APERTURE ( FIgS. 10E , 12F ).

Gnathosoma. SUbCAPITULUM DISTALLY STRIATE, PROXIMALLY SMOOTH bUT DENSELY POROSE. TWO PAIRS Of ORAL SETAE (or) SHORT, ~7µM; SETA a LONg, ~11µM; SETA h AND m, ~5µM ( FIgS. 10B , 12D ). PALP SETAL fORMULA NORMAL (TROCHANTER TO TARSUS 0–2–1–3–9, PLUS SOLENIDION ω); fUSED TARSAL EUPATHIDIUM acm AND ω ON SMALL PROTRUSION ( FIgS. 13B , 14B ). CHELICERA DENSELY POROSE bETWEEN LINE en AND bASE Of MOVAbLE DIgIT; SETAE cha AND chb LONg AND bARbED, ~34 AND 22µM, RESPECTIVELY. TRägARDH'S ORgAN (trg) PARALLEL TO AXIS Of CHELICERA, SLIgHTLY POINTINg VENTRALLY, ~28µM ( FIg. 13D ).

Legs. TRIDACTYLOUS. NOT COVERED WITH CEROTEgUMENT; MOST ARTICLES SMOOTH, EXCEPT STRIATED TROCHANTER III–IV AND fEMUR I–IV. PRETARSI WITH LATERAL CLAWS THINNER THAN EMPODIUM ( FIgS. 13A, C, E, G ). 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, ~5µM, WITH EXPANDED TIP, INSERTED POSTEROLATERAL TO SOLENIDION ω1 ( FIg. 13F ). 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 98 PARATYPES (8 MOUNTED IN SLIDES ENTIRE AND 20 DISSECTED, 20 MOUNTED ON A STUb fOR SEM AND 50 PARATYPES PRESERVED IN 70% ALCOHOL) 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 48 PARATYPES ARE DEPOSITED IN THE ACAROLOgICAL COLLECTION AT UESC, 25 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 25 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 .

Figures

FIGURE 10. Neopilizetes tigris n. sp.: A) dorsal view; B) subcapitulum; C) ss, sensillus; D) ro, rostral seta; E) ventral view (legs and gnathosoma removed); F) prodorsum crest in cross-section;G) prodorsum frontalview.

FIGURE 11. Neopilizetes tigris n. sp.: A) dorsal view; B) dorsolateral view; C) notogaster dorsal view; D) posterior view; E) frontal view; F) prodorsum detail presenting L and S lines and ro and le setae.

FIGURE 12. Neopilizetes tigris n. sp.: A) lateral view; B) prodorsum lateral view; C) ventral view; D) subcapitulum and part of epimeral region; E) genital region and part of epimeral region; F) anal region and aggenital (ag) setae.

FIGURE 13. Neopilizetes tigris n. sp.: A) leg I antiaxial view; B) palp antiaxial view; C) leg II antiaxial view; D) chelicera antiaxial view; E) leg III antiaxial view; F) region of seta ε (famulus) detail; G) leg IV antiaxial view.

FIGURE14. Neopilizetes tigris n. sp.: A) leg II, palp and chelicerae in antiaxial view; B) palp tarsus detail; C) ss, sensilus; D) leg IV antiaxial view.