Proterothrix phyllura ( Trouessart, 1899 )

Constantinescu, Ioana Cristina, Chișamera, Gabriel Bogdan & Adam, Costică, 2018, Redescription of six feather mite species of the genus Proterothrix Gaud, 1968 (Analgoidea: Proctophyllodidae: Pterodectinae) from the “ Édouard Louis Trouessart ” Collection, Zootaxa 4486 (4), pp. 451-479 : 466-468

Proterothrix phyllura ( Trouessart, 1899)

( FIGS. 13–16 )

Pterodectes phyllurus Trouessart 1899: 37 -38; Canestrini and Kramer 1899: 126.

Proterothrix phyllura, Park and Atyeo 1971: 69 .

Material examined. MALe LecTOTYPe (MNHN 26D9), 2 MALe PARALecTOTYPeS (MNHN 44A12, MNHN 44A13) 2 FeMALe PARALecTOTYPeS (MNHN 44A14, MNHN 44A15), FROM Manucodia ater (LeSSON) (CORVIDA: PARADISAeIDAe ), NEW GUINEA, NO OTHeR DATA; LecTOTYPe AND PARALecTOTYPeS DeSIGNATeD HeRe.

Description. MALE (LecTOTYPe, RANGe FOR 2 PARALecTOTYPeS IN PAReNTHeSIS) ( FIGS. 13A, B , 14A–E ). LeNGTH OF IDIOSOMA 950 (960–1030), WIDTH 360 (375–390), LeNGTH OF HYSTeROSOMA 670 (670–720). PRODORSAL SHIeLD eNTIRe, ANTeROLATeRAL eXTeNSIONS WITH ROUNDeD TIPS, LATeRAL MARGINS WITHOUT INcISIONS, POSTeRIOR MARGIN WITH SMALL SHARP- ANGULAR MeDIAN eXTeNSION, LeNGTH 290 (295–296), WIDTH 295 (305–315), SURFAce WITH FeW cIRcULAR AND OVATe LAcUNAe IN POSTeRIOR HALF ( FIG.13A ). ScAPULAR SeTAe se SePARATeD BY 150 (155–160). ScAPULAR SHIeLDS NARROW. HUMeRAL SHIeLDS WIDe, FUSeD VeNTRALLY WITH OUTeR ScLeROTIZeD AReAS OF ePIMeRITeS III. SeTAe cp SITUATeD VeNTRALLY ON HUMeRAL SHIeLD. SeTAe c2 FILIFORM, SITUATeD DORSALLY ON HUMeRAL SHIeLD. SUBHUMeRAL SeTAe c3 LANceOLATe, 62 (60–65) × 17 (15– 17). HYSTeRONOTAL SHIeLD WITH ANTeRIOR MARGIN cONcAVe, ANTeRIOR ANGLeS AcUTe, DISTANce FROM ANTeRIOR MARGIN TO BASeS OF SeTAe h3 600 (620–700), GReATeST WIDTH IN ANTeRIOR PART 267 (280–281), SURFAce WITH SMALL OVATe LAcUNAe IN ANTeRIOR HALF AND LARGe OVATe LAcUNAe IN POSTeRIOR HALF. LATeRAL HYSTeRONOTAL ScLeRITeS PReSeNT, SITUATeD AT LeVeL OF TROcHANTeRS IV. OPISTHOSOMAL LOBeS SHORT, APPROXIMATeLY AS LONG AS WIDe AT BASe, WITH eLONGATe ANGULAR APeX AND WITH THRee ROUNDeD MeMBRANOUS TeeTH ON POSTeRIOR MARGIN. SUPRANAL cONcAVITY eLONGATe, ROUGHLY OVATe, WITH MARGINS cLeARLY OUTLINeD. TeRMINAL cLeFT WIDe, U-SHAPeD, 70 (65–75) IN LeNGTH. SeTAe f2 ANTeRIOR TO BASeS OF SeTAe ps2. SeTAe h1 AT MIDLeVeL OF SUPRANAL cONcAVITY, DISTANT FROM LATeRAL MARGINS OF OPISTHOSOMA. SeTAe ps1 LANceOLATe WITH ROUNDeD APeX, LeNGTH 60 (55–62), SITUATeD NeAR LATeRAL MARGINS OF OPISTHOSOMAL LOBeS, ANTeRIOR TO BASeS OF SeTAe h3. SeTAe c1 PReSeNT; SeTAe f2 THIcKeNeD BASALLY AND FILIFORM APIcALLY; SeTAe h3 LeAF-LIKe, LANceOLATe WITH ROUNDeD POSTeRIOR MARGIN AND WITH ReTIcULATe DORSAL PATTeRN, 300 (265–280) X 57 (60–65); AND SeTAe h2 eNLARGeD IN BASAL PART 650 (550–640) X 22 (17–26). DORSAL MeASUReMeNTS: c2–d2 255 (220–250), d2–e2 262 (280–335), e2–h3 125 (130– 150), d1–d2 100 (85–100), e1–e2 97 (105–106), h1–ps2 37 (25–35), h2–h2 150 (155–167), h3–h3 87 (75–76), ps2–ps2 127 (125–132).

EPIMeRITeS I FUSeD INTO A V, POSTeRIOR eND WITH TRANSVeRSe eXTeNSIONS cONNecTeD WITH MeDIAL PART OF ePIMeRITeS II. EPIMeRITeS IIIA WITH ANTeRIOR eNDS FUSeD WITH RUDIMeNTARY ScLeRITeS REPIIA, AND WITH OBLIqUe eXTeNSIONS DIRecTeD BAcKWARD AND FUSeD AT MIDLINe WITH LONGITUDINAL PReGeNITAL ScLeRITe, OUTLINING ALMOST cLOSeD TRIANGULAR AReA BeTWeeN cOXAL FIeLDS III (WHOLe STRUcTURe LOOKS LIKe TWO SLIGHTLY DeFORMeD ANVILS ATTAcHeD TO eAcH OTHeR). COXAL FIeLDS I cLOSeD, cOXAL FIeLDS II, III ALMOST cLOSeD, cOXAL FIeLDS IV WITH LARGe ScLeROTIZeD AReA AT BASeS OF TROcHANTeRS. EPIMeRITeS IVA PReSeNT ( FIG. 13B ). GeNITAL ARcH 62 (72–77) LONG, 87 (88–90) WIDe, BASAL ScLeRITe OF GeNITAL APPARATUS ROUNDeD POSTeRIORLY, AeDeAGUS 142 (142–150) LONG, eXTeNDING TO LeVeL OF SeTAe g. GeNITAL PAPILLAe SITUATeD AT LeVeL OF GeNITAL ARcH APeX. OPISTHOVeNTRAL SHIeLDS ROUGHLY TRAPeZOIDAL IN POSTeRIOR PART BeARING SeTAe ps2, ANTeRIOR PART MONOTONOUSLY NARROWING. ADANAL SHIeLDS WITH ANTeRIOR HALVeS FUSeD AT MIDLINe FORMING LONGITUDINAL ROUGHLY RecTANGULAR PLATe; THIS ONe-PIece SHIeLD WITH ANTeRIOR MARGIN OF STRONGLY IRReGULAR cONTOUR, eNcOMPASSeS BASeS OF SeTAe g AND ps3. ANAL SUcKeRS 50 (42–47) IN DIAMeTeR, cOROLLA WITH RADIAL STRIATION. SeTAe ps2 LANceOLATe, WITH AcUTe APeX. VeNTRAL MeASUReMeNTS: 3a–4b 72 (65–75), 4b–4a 117 (100–117), 4a–g 137 (140–165), g–ps3 125 (110–115), ps3–ps3 25 (17–25), ps3–h3 135 (117–132).

FeMORA OF LeGS I AND II eAcH WITH A VeNTRAL cReST ( FIG. 14A, B ). SeTA e OF TARSUS I FILIFORM, SeTA cG OF GeNU I LANceOLATe. SeTAe d OF TARSI II, III MUcH SHORTeR THAN cORReSPONDING SeTAe f. TARSUS IV 75 (77–82) LONG, WITH AcUTe APIcAL PROceSS, SeTAe d, e BUTTON-LIKe, SITUATeD IN BASAL AND APIcAL PARTS OF SeGMeNT, ReSPecTIVeLY ( FIG. 14D ). LeNGTH OF SOLeNIDIA: ω 1 I 32 (37–40), ω 1 II 37 (40–45), φ I 217 (220–225), φ II 172 (175–180), φ III 70 (74–75), φ IV 75 (80– 100).

FEMALE (RANGe FOR 2 PARALecTOTYPeS) ( FIGS. 15A, B , 16A–E ). LeNGTH OF IDIOSOMA 990–1050, WIDTH 425–450, AND LeNGTH OF HYSTeROSOMA 660–720. PRODORSAL SHIeLD eNTIRe, ANTeROLATeRAL eXTeNSIONS WITH ROUNDeD TIPS, LATeRAL MARGINS WITHOUT INcISIONS, POSTeRIOR MARGIN WITH SMALL AcUTe MeDIAN eXTeNSION, LeNGTH 300–305, WIDTH 335–350, SURFAce WITH FeW cIRcULAR LAcUNAe IN POSTeRIOR HALF ( FIG.15A ). ScAPULAR SeTAe se SePARATeD BY 195–205. ScAPULAR SHIeLDS NARROW. HUMeRAL SHIeLDS WIDe, FUSeD VeNTRALLY WITH OUTeR ScLeROTIZeD AReAS OF ePIMeRITeS III. SeTAe cp SITUATeD VeNTRALLY ON HUMeRAL SHIeLD. SeTAe c2 FILIFORM, SITUATeD DORSALLY ON HUMeRAL SHIeLD. SUBHUMeRAL SeTAe c3 LANceOLATe, 63–65 × 18–20. ANTeRIOR HYSTeRONOTAL SHIeLD ROUGHLY RecTANGULAR, ANTeRIOR AND POSTeRIOR MARGINS cONcAVe, GReATeST LeNGTH 445–490, GReATeST WIDTH IN ANTeRIOR PART 305–335, SURFAce WITH SMALL cIRcULAR AND OVATe LAcUNAe IN POSTeRIOR HALF. SeTAe c1 PReSeNT. LeNGTH OF LOBAR ReGION 200–210, WIDTH AT LeVeL OF SeTAe h2 215–240. TeRMINAL cLeFT U-SHAPeD, LeNGTH 100–115. SUPRANAL cONcAVITY SMALL cIRcULAR. SeTAe h1 ON LOBAR SHIeLD, AT LeVeL OF ANTeRIOR MARGIN OF SUPRANAL cONcAVITY, SURFAce OF LOBAR SHIeLD WITH FeW SMALL OVATe LAcUNAe. SeTAe h2 SPINDLe- SHAPeD, WITH TeRMINAL FILAMeNT, 225–230 × 17–18. SeTAe ps1 cLOSeR TO INNeR MARGIN THAN OUTeR MARGINS OF OPISTHOSOMAL LOBeS, SeTAe h3 AcIcULAR, 50–63 LONG, ABOUT 1/4 FROM THe LeNGTH OF TeRMINAL APPeNDAGeS. DORSAL MeASUReMeNTS: c2–d2 225–230, d2–e2 247–260, e2–h2 127–137, h2–h3 75–100, d1–d2 100–102, e1–e2 187–205, h1–h2 88–107, h2–ps1 77–87, h1–h1 87–88, h2–h2 180–187.

EPIMeRITeS I FUSeD AS A V, WITH LONG LATeRAL eXTeNSIONS . COXAL FIeLDS I, II WITHOUT LARGe ScLeROTIZeD AReAS, ePIMeRITeS IVA ABSeNT ( FIG. 15B ). TRANSLOBAR APODeMeS OF OPISTHOSOMAL LOBeS PReSeNT, FUSeD TO eAcH OTHeR ANTeRIOR TO TeRMINAL cLeFT. EPIGYNUM HORSeSHOe-SHAPeD, GReATeST WIDTH 160–177. DISTANce BeTWeeN PSeUDANAL SeTAe: ps2–ps2 50–51, ps3–ps3 47–52, ps2–ps3 50–55.

LeGS I SLIGHTLY LONGeR THAN LeGS II; FeMORA I, II eAcH WITH A WIDe VeNTRAL cReST. SeTAe d OF TARSI II–III MUcH SHORTeR THAN cORReSPONDING SeTAe f. SeTAe cG OF GeNU I LANceOLATe. LeNGTH OF SOLeNIDIA: ω 1 I 37–40, ω 1 II 42–50, φ I 212–217, φ II 165–175, φ III 55 –62, φ IV 50 –51. ( FIG. 16A–D ).

Figures

FIGURE 13. Proterothrix phyllura, male. A—dorsal view, B—ventral view.

FIGURE 14. Proterothrix phyllura, male. A–D details of male legs, dorsal view, A—leg I, B—leg II, C—leg III, D—leg IV, E—opisthosoma of male, ventral view.

FIGURE 15. Proterothrix phyllura, female. A—dorsal view, B—ventral view.

FIGURE 16. Proterothrix phyllura, female. A–D details of female legs, dorsal view, A—leg I, B—leg II, C—leg III, D—leg IV, E—spermatheca and spermaducts of female. Abbreviations: hs—head of spermatheca, pd—primary spermaduct, sdsecondary spermaduct.