The Neotropical mite genus Neopilizetes (Oribatida: Galumnidae): redescription of N. neotropicus, rediagnosis of the genus, and descriptions of four new species Author Amorim, Saulo S. Author Norton, Roy A. Author Oliveira, Anibal R. text Zootaxa 2018 2018-04-18 4410 3 567 599 journal article 30242 10.11646/zootaxa.4410.3.10 be9cb25c-5039-4f85-aad6-0a46bc659fb5 1175-5326 1221724 254FA7D4-BAA9-4504-902A-8A87DB5B789A Neopilizetes neotropicus ( Balogh & Mahunka 1978 ) ( FIgS. 1–4 , TAbLE 1 ) Diagnosis. CUTICLE Of PRODORSUM AND NOTOgASTER COVERED WITH DENSE STRIATION Of LOW, OfTEN fLAT-TOPPED CRESTS, MOSTLY LONgITUDINAL EXCEPT SPREADINg POSTERIORLY AND RADIALLY ALIgNED ON PTEROMORPH; CENTRAL DEPRESSION Of NOTOgASTER WEAKLY DEfINED, NARROW CENTRALLY bUT EXPANDINg POSTERIORLY. NOTOgASTER WITH THREE PAIRS Of SMALL POROSE AREAS ( Aa , A1 AND A3 ); NOTOgASTRAL SETAE SHORT, h3 AND lp MUCH SHORTER THAN THEIR MUTUAL DISTANCE. SETA 3b LONgER THAN OTHER EPIMERAL SETAE; gENITAL AND ANAL PLATES NOT COVERED WITH CEROTEgUMENT; ANAL PLATES fINELY STRIATE. SUbCAPITULUM WITHOUT STRIAE; TRägARDH'S ORgAN ( trg ) DIRECTED SLIgHTLY DORSAD. Dimensions. BODY LENgTH (N=5) 308–408µM AND WIDTH 297–312µM. Integument. MODERATELY COVERED WITH CEROTEgUMENT. Prodorsum. DENSELY STRIATED WITH NARROW, LONgITUDINAL LOW, OfTEN fLAT-TOPPED CRESTS bETWEEN LEVELS Of ROSTRAL ( ro ) AND INTERLAMELLAR ( in ) SETAE, INTERRUPTED bY TRANSVERSE fLAW IN PROXIMAL THIRD ( FIgS. 1A, F , 2A, E, F ). ROSTRUM WITH SMALL, SMOOTH, SUbRECTANgULAR MEDIAL PROjECTION bETWEEN INSERTIONS Of ROSTRAL SETAE ( FIgS. 1F , 2E, F ). ROSTRAL ( ro ), LAMELLAR ( le ) AND INTERLAMELLAR ( in ) SETAE Of SIMILAR LENgTH, ~20µM ( FIgS. 1 , 2 ); ro DIRECTED ANTEROMEDIALLY, THIN, LENgTH AbOUT 3/4 MUTUAL DISTANCE Of PAIR; le THIN, LENgTH LESS THAN 1/6 THEIR MUTUAL DISTANCE; in THICK, bARbED, LENgTH AbOUT 1/4 THEIR MUTUAL DISTANCE. SENSILLUS ( ss ) THICK, SHARP-TIPPED, WITH TWO PARALLEL SERIES Of bARbS OCCUPYINg ALMOST ENTIRE EXPOSED LENgTH, ~100µM ( FIgS. 1B , 2D ). Notogaster. ROUNDED TO SLIgHTLY TRUNCATE POSTERIORLY IN DORSAL VIEW ( FIgS. 1A , 2A ). CENTRAL, LONgITUDINAL DEPRESSION NARROW ANTERIORLY ( FIg. 2E ), bROADENINg IN POSTERIOR HALf, gIVINg SOMEWHAT fLATTENED APPEARANCE TO POSTERIOR OUTLINE. CUTICLE DENSELY STRIATE WITH LOW AND LONg NARROW, OfTEN fLAT-TOPPED CRESTS: MOSTLY LONgITUDINAL, SOMEWHAT SPREADINg POSTERIORLY, RADIALLY ORIENTED ON PTEROMORPH ( FIgS. 1A , 2A–D ). NOTOgASTRAL SETAE ( c2 , la , lm , lp , h1 , h2 , h3 , p1 , p2 AND p3 ) SMOOTH, RIgID AND SHORT, ~10µM; h3 AND lp MUCH SHORTER THAN THEIR MUTUAL DISTANCE. LYRIfISSURES ia AND im SIMILAR, bUT LARgER THAN ip , ih , ips (ONLY im ObSERVAbLE IN DORSAL VIEW), ih AND ips CLOSE TO EACH OTHER, IN THE LEVEL Of SETA p3 ( FIg. 1A ). OPISTHONOTAL gLAND OPENINg ( gla ) LOCATED LATERAL TO SETA h3 ( FIgS. 1A , 2C ). OCTOTAXIC SYSTEM INCOMPLETE, COMPRISINg THREE PAIRS Of SMALL POROSE AREAS, Aa, A1 AND A3 ( FIg. 1A ). Ventral region . COXISTERNUM IRREgULARLY TUbERCULATE; ANOgENITAL REgION WITH RAISED RIDgES fORMINg IRREgULAR NETWORK Of CELLS , SMALLEST LATERALLY; WITH SHALLOW CREASE RUNNINg fROM EACH CIRCUMPEDAL CARINA TO bEHIND ANAL APERTURE ( FIg. 4C ). EPIMERAL SETATION 2–0–1–2; SETAE 1b , 4a AND 4b RIgID, SMOOTH, ACUMINATE, SHORT, ~5µM; SETA 3b fILIfORM, fLEXIbLE, LONg, SMOOTH, ~19µM; SETA 1c REPRESENTED ONLY bY ALVEOLUS ( FIgS. 1E , 4D, E ). CIRCUMPEDAL CARINAE ( cp ) APPEARINg AS THICK LOW RIDgES ( FIg. 4C ) . DISTANCE bETWEEN gENITAL AND ANAL APERTURES AbOUT EqUAL TO LENgTH Of gENITAL PLATE ( FIgS. 1E , 4C ). GENITAL PLATE SMOOTH, WITHOUT APPARENT CEROTEgUMENT; APERTURE SUbqUADRATE, SLIgHTLY WIDER ANTERIORLY. GENITAL SETAE SIMILAR IN fORM TO EPIMERAL SETAE: g1 AND g2 , ~10 AND ~5µM, RESPECTIVELY, INSERTED ON ANTERIOR MARgIN Of PLATE; SETAE g3 , g4 AND g5 , ~5µM, ALIgNED IN MIDDLE Of PLATE; g6 SIMILAR, bUT ON POSTERIOR MARgIN Of PLATE ( FIgS. 1E , 4D ). AggENITAL SETA ( ag ) NEAR POSTEROLATERAL CORNER Of gENITAL PLATE, SIMILAR TO EPIMERAL SETAE IN SHAPE, ~5µM. ANAL APERTURE NEARLY PENTAgONAL IN SHAPE, WIDER POSTERIORLY; PLATES WITHOUT CEROTEgUMENT, fINELY STRIATE bUT WITH PATTERN DEgRADINg IN POSTEROLATERAL REgION; ANAL SETAE ( an1 , an2 ) SMOOTH, ACUMINATE, ~9µM; ADANAL SETAE ( ad1 , ad2 , ad3 ) SMOOTH AND ACUMINATE, ~5µM. LYRIfISSURE iad PARALLEL TO LATERAL MARgIN Of ANAL PLATE ( FIgS. 1E , 4F ). FIGURE 1. Neopilizetes neotropicus : A) dorsal view; B) ss , sensillus; C) in , interlamellar setae; D) subcapitulum; E) ventral view (legs and gnathosoma removed); F) prodorsum frontal view. FIGURE 2. Neopilizetes neotropicus : A) dorsal view; B) lateral view; C) left central region of notogaster, showing setae and gla, opisthonotal gland opening; D) ss , sensillus; E) frontal view—note depression on notogaster (arrow); F) prodorsum detail presenting le and ro setae. FIGURE 3. Neopilizetes neotropicus : A) leg I antiaxial view; B) palp antiaxial view; C) leg II antiaxial view; D) chelicerae antiaxial view; E) leg III antiaxial view; F) leg IV antiaxial view; G) seta ε (famulus) detail. FIGURE 4. Neopilizetes neotropicus : A) in, interlamellar seta, detail; B) posterior view; C) ventral view; D) genital region; E) seta 3b detail; F) anal region. Gnathosoma. SUbCAPITULUM SMOOTH bUT DENSELY POROSE. TWO PAIRS Of ADORAL SETAE ( or ) SHORT, ~7µM; SETAE a AND m LONgER, ~16 AND 11µM RESPECTIVELY; SETA h SHORT, ~5µM ( FIg. 1D ). CHELICERA DENSELY POROSE bETWEEN LINE en AND bASE Of MOVAbLE DIgIT; SETAE cha AND chb LONg AND bARbED, ~47 AND 32µM, RESPECTIVELY. TRägARDH'S ORgAN ( trg ) DIRECTED SLIgHTLY DORSAD, ~28µM ( FIg. 3D ). Legs. TRIDACTYLOUS. NOT COVERED WITH CEROTEgUMENT; MOST ARTICLES SMOOTH, EXCEPT TROCHANTER III–IV AND fEMUR I– IV STRIATED. PRETARSI WITH LATERAL CLAWS THINNER THAN EMPODIUM ( FIgS. 3A, C, E, F ). 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 POSTEROLATERAL TO SOLENIDION ω1 ( FIg. 3G ). 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. HOLOTYPE fEMALE (336–HO–77), IN 70% ALCOHOL , LOANED bY THE HUNgARIAN NATURAL HISTORY MUSEUM AND 60 NON-TYPE SPECIMENS (12 ON SLIDES , WITH PART Of THE SPECIMENS DISSECTED AND MOUNTED IN HOYER’S, 18 ON ONE STUb AND 30 IN 70% ALCOHOL ) COLLECTED ON 10–I–2008 AND 13 –VIII–2 0 13 bY ANIbAL R. OLIVEIRA fROM SOIL –LITTER INTERfACE SAMPLES IN A CACAO PLANTATION AT UNIVERSIDADE ESTADUAL DE SANTA CRUz ( UESC ) CAMPUS , ILHÉUS , BAHIA , BRAzIL , 14°47'49"S , 39°10'23"W . VOUCHER SPECIMENS IN 4 SLIDES , STUb AND 10 SPECIMENS IN ALCOHOL ARE DEPOSITED IN THE ACAROLOgICAL COLLECTION AT UESC . FOUR SLIDES AND 10 SPECIMENS IN ALCOHOL ARE IN THE ACAROLOgICAL COLLECTION AT THE ESCOLA SUPERIOR DE AgRICULTURA “LUIz DE QUEIROz” ( ESALQ ), UNIVERSIDADE DE SãO PAULO ( USP ), IN PIRACICAbA , SãO PAULO , BRAzIL . FOUR SLIDES AND 10 SPECIMENS IN ALCOHOL ARE IN THE ACAROLOgICAL COLLECTION AT DEPARTAMENTO DE ZOOLOgIA E BOTâNICA, UNIVERSIDADE ESTADUAL PAULISTA (UNESP), DZSJRP, SãO JOSÉ DO RIO PRETO, SãO PAULO , BRAzIL . Comments . EXAMINATION Of THE HOLOTYPE Of N. neotropicus ALLOWED US TO CONfIRM THE IDENTITY Of OUR OWN SPECIMENS , AND, THROUgH THE COLLECTIVE OPTICAL AND SCANNINg ELECTRON MICROSCOPY STUDIES, ALLOWED US TO CONSIDER CHARACTERS THAT WERE NOT PREVIOUSLY DISCUSSED . IT ALSO PERMITTED THE DETECTION Of AN ERROR IN THE ASSESSMENT Of THE OCTOTAXIC SYSTEM, WHICH COMPRISES THREE PAIRS Of POROSE AREAS. THESE STRUCTURES WERE NOT DESCRIbED OR ILLUSTRATED IN THE ORIgINAL PUbLICATION, AND BALOgH & BALOgH (1990A) SUbSEqUENTLY MENTIONED ONLY ONE PAIR.