Proterothrix emarginata ( 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 : 454-460

Proterothrix emarginata ( Trouessart, 1899)

( FIGS. 5–8 )

Pterodectes phyllurus emarginatus Trouessart 1899: 38 .

Pterodectes phyllurus var. emarginata, Canestrini and Kramer 1899: 126 .

Proterothrix emarginata, Park and Atyeo 1971: 68 .

Material examined. MALe LecTOTYPe (MNHN 26D10), 1 FeMALe PARALecTOTYPe (MNHN 21G12) FROM Manucodia chalybatus (J. R. FORSTeR) (CORVIDA: PARADISAeIDAe ), NEW GUINEA, NO OTHeR DATA. LecTOTYPe AND PARALecTOTYPe DeSIGNATeD HeRe.

Description. MALE (LecTOTYPe) ( FIGS 5A, B , 6A–E ). LeNGTH OF IDIOSOMA 472, WIDTH 198, LeNGTH OF HYSTeROSOMA 312. PRODORSAL SHIeLD eNTIRe, ANTeROLATeRAL eXTeNSIONS SHORT AND ROUNDeD, LATeRAL MARGINS WITHOUT INcISIONS, POSTeRIOR MARGIN WITH SMALL SHARP-ANGULAR MeDIAN eXTeNSION, POSTeRIOR ANGLeS ROUND, LeNGTH 166, WIDTH 160, SURFAce WITH SMALL cIRcULAR LAcUNAe ( FIG.5A ). ScAPULAR SeTAe se SePARATeD BY 70, RePReSeNTeD ONLY BY THe BASeS IN THe LecTOTYPe. 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 SOFT TeGUMeNT. SUBHUMeRAL SeTAe c3 LANceOLATe, 26 × 10. HYSTeRONOTAL SHIeLD WITH ANTeRIOR MARGIN cONcAVe, ANTeRIOR ANGLeS TRIANGULAR, DISTANce FROM ANTeRIOR MARGIN TO BASeS OF SeTAe h3 292, GReATeST WIDTH IN ANTeRIOR PART 140, SURFAce WITH SMALL cIRcULAR AND OVATe LAcUNAe. OPISTHOSOMAL LOBeS SHORT, APPROXIMATeLY AS LONG AS WIDe AT BASe, WITHOUT MeMBRANe, POSTeRIOR MARGIN WITH SHORT TRUNcATe eXTeNSIONS AT BASeS OF SeTAe h2 AND WITH A PAIR OF ANGULAR eXTeNSIONS AT BASeS OF SeTAe h3 FORMING LOBAR APeX AND INNeR ANGLe OF LOBeS. SeTAe h3 SITUATeD SLIGHTLY POSTeRIOR TO SeTAe h2. TeRMINAL cLeFT V-SHAPeD, 46 IN LeNGTH. SUPRANAL cONcAVITY eLONGATe, TRIANGULAR, cLeARLY OUTLINeD. SeTAe f2 SLIGHTLY 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, 28 LONG, SITUATeD NeAR LATeRAL MARGINS OF OPISTHOSOMAL LOBeS AT LeVeL OF SeTAe h2. SeTAe c1 PReSeNT, SeTAe h3 MISSING AND THeIR FORM UNKNOWN, SeTAe h2 eNLARGeD IN BASAL PART, 196 X 10, SeTAe f2 FILIFORM. DORSAL MeASUReMeNTS: c2–d2 106, d2–e2 110, e2–h3 100, d1–d2 46, e1– e2 48, h1–ps2 40, h2–h2 84, h3–h3 40, ps2–ps2 88.

EPIMeRITeS I FUSeD INTO A V, POSTeRIOR eND cONNecTeD WITH ePIMeRITeS II BY TRANSVeRSe ScLeROTIZeD BANDS. EPIMeRITeS II LONG, WITH POSTeRIOR eNDS FRee. RUDIMeNTARY ScLeRITeS REPIIA PReSeNT, OVATe. EPIMeRITeS IIIA WITH STRAIGHT eXTeNSIONS DIRecTeD BAcKWARD AND BeARING BASeS OF SeTAe 4b. COXAL FIeLD I cLOSeD, cOXAL FIeLD II OPeN, cOXAL FIeLDS III ALMOST cLOSeD, cOXAL FIeLDS IV WITH WIDe ScLeROTIZeD AReAS AT BASeS OF TROcHANTeRS IV. EPIMeRITeS IVA PReSeNT, SMALL ( FIG. 5B ). GeNITAL ARcH 30 LONG, 42 WIDe, BASAL ScLeRITe OF GeNITAL APPARATUS ROUNDeD POSTeRIORLY; AeDeAGUS 134 LONG, eXTeNDING TO LeVeL OF SeTAe ps2. GeNITAL PAPILLAe SITUATeD ANTeRIOR TO LeVeL OF GeNITAL ARcH. PARAGeNITAL APODeMeS RePReSeNTeD BY A PAIR OF NARROW LONGITUDINAL ScLeRITeS WITH ANTeRIOR eNDS TOUcHING TIPS OF GeNITAL ARcH. GeNITAL SeTAe g SITUATeD ON SMALL cIRcULAR ScLeRITeS. OPISTHOVeNTRAL SHIeLDS LONG, MONOTONOUSLY NARROWeD ANTeRIORLY, WITH ONe SHORT SMOOTHeD eXTeNSION ON INNeR MARGIN, BeARING SeTA ps2. ADANAL SHIeLDS ROUGHLY TRIANGULAR, BeARING SeTAe ps3. ANAL SUcKeRS 24 IN DIAMeTeR, cOROLLA MULTIDeNTATe, WITH 22–25 SMALL TeeTH. SeTAe ps2 LANceOLATe, WITH AcUTe APeX. VeNTRAL MeASUReMeNTS: 3a–4b 31, 4b–4a 46, 4a–g 84, g–ps3 32, ps3–ps3 24, ps3–h3 74.

LeGS I SLIGHTLY LONGeR THAN LeGS II, FeMORA I AND II eAcH WITH A VeNTRAL cReST ( FIG. 6A, B ). SeTA e OF TARSUS I FILIFORM, SeTAe cG OF GeNUA I LANceOLATe. SeTAe d OF TARSI II, III MUcH SHORTeR THAN cORReSPONDING SeTAe f. TARSUS IV 34 LONG, SeTAe d, e BUTTON-LIKe, SITUATeD IN BASAL AND APIcAL PARTS OF SeGMeNT, ReSPecTIVeLY ( FIG. 6D ). LeNGTH OF SOLeNIDIA: ω 1 I 20, ω 1 II 18, φ I 116, φ II 82, φ III 40, φ IV 36.

FEMALE (PARALecTOTYPe) ( FIGS. 7A, B , 8A–E ). LeNGTH OF IDIOSOMA 600, WIDTH 228, AND LeNGTH OF HYSTeROSOMA 400. PRODORSAL SHIeLD eNTIRe, ANTeROLATeRAL eXTeNSIONS WITH ROUNDeD TIPS, LATeRAL MARGINS WITHOUT INcISIONS, POSTeRIOR MARGIN WITH SMALL SHARP-ANGULAR MeDIAN eXTeNSION, LeNGTH 188, WIDTH 204, SURFAce WITHOUT ORNAMeNTATION ( FIG. 7A ). ScAPULAR SeTAe se SePARATeD BY 120, SeTAe MISSING. 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 SOFT TeGUMeNT. SUBHUMeRAL SeTAe c3 LANceOLATe, 30 × 8. ANTeRIOR HYSTeRONOTAL SHIeLD ROUGHLY RecTANGULAR, ANTeRIOR AND POSTeRIOR MARGINS cONcAVe, GReATeST LeNGTH 260, GReATeST WIDTH IN ANTeRIOR PART 176, SURFAce WITHOUT ORNAMeNTATION. SeTAe c1 PReSeNT. LeNGTH OF LOBAR ReGION 128, WIDTH AT LeVeL OF SeTAe h2 130. TeRMINAL cLeFT NARROW V-SHAPeD, WITH WAVY MARGINS, 52 LONG. SUPRANAL cONcAVITY WeLL DeVeLOPeD, TRIANGULAR. SeTAe h1 ON LOBAR SHIeLD, ANTeRIOR TO LeVeL OF SUPRANAL cONcAVITY; SURFAce OF LOBAR SHIeLD WITHOUT ORNAMeNTATION. SeTAe h2 SPINDLe-SHAPeD, WITH TeRMINAL FILAMeNT, 136 × 9. SeTAe ps1 cLOSeR TO INNeR MARGIN OF OPISTHOSOMAL LOBeS, SeTAe h3 30 LONG, ABOUT 1/4 FROM THe LeNGTH OF TeRMINAL APPeNDAGeS. DORSAL MeASUReMeNTS: c2–d2 98, d2–e2 148, e2–h2 90, h2–h3 48, d1–d2 50, e1–e2 60, h1–h2 58, h2–ps1 40, h1–h1 56, h2–h2 102.

EPIMeRITeS I FUSeD AS A V, WITH LONG LATeRAL eXTeNSIONS . COXAL FIeLDS I, II WITH LARGe ScLeROTIZeD AReAS, ePIMeRITeS IVA ABSeNT ( FIG. 7B ). TRANSLOBAR APODeMeS OF OPISTHOSOMAL LOBeS PReSeNT, FUSeD TO eAcH OTHeR ANTeRIOR TO TeRMINAL cLeFT. EPIGYNUM HORSeSHOe-SHAPeD, GReATeST WIDTH 100. DISTANce BeTWeeN PSeUDANAL SeTAe: ps2–ps2 74, ps3–ps3 26, ps2–ps3 34.

LeGS I SLIGHTLY LONGeR THAN LeGS II; FeMORA II WITH WIDe VeNTRAL cReST. SeTAe d OF TARSI II–III MUcH SHORTeR THAN cORReSPONDING SeTAe f. SeTAe cG OF GeNUA I LANceOLATe. LeNGTH OF SOLeNIDIA: ω 1 I 24, ω 1 II 25, φ I 124, φ II 120, φ III 40, φ IV 30. ( FIG. 8A–D ).

Figures

FIGURE 5. Proterothrix emarginata, male. A—dorsal view, B—ventral view.

FIGURE 6. Proterothrix emarginata, 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 7. Proterothrix emarginata, female. A—dorsal view, B—ventral view.

FIGURE 8. Proterothrix emarginata, 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.