Palmanura Cassagnau, 1983

Arango, Angela, Palacios-Vargas, José G., Vázquez, Magdalena & Marín, Elida P., 2018, Revision of the genus Palmanura Cassagnau, 1983 (Collembola: Neanuridae: Neanurinae: Sensillanurini), Zootaxa 4483 (1), pp. 128-154 : 129

Palmanura Cassagnau, 1983

MOdIfIEd dIAgNOSIS: 2 + 2 PIgMENTEd EyES. WhITE, yELLOw OR ORANgE bOdy whEN ALIvE, wIThOUT bLUE PIgMENT, whITE IN ALcOhOL. MOUThPARTS REdUcEd, MAxILLAE STyLIfORM. SENSILLA S7 hyPERTROPhIEd, AT LEAST TwIcE ThIckER ThAN OThERS. DORSAL SETAE MOSTLy PALMATE, SOMETIMES bARbULATE, USUALLy ThOSE Of dORSO-INTERNAL ANd dORSO-ExTERNAL TUbERcLES ARE PALMATE ANd wITh cRENULATEd EdgES, OThER SETAE cAN bE PALMATE OR bARbULATE. CEPhALIc SETAE NUMbER REdUcEd, ANTERIOR OcULAR SETA ALwAyS AbSENT, MEdIAN OcULAR SETA ALwAyS PRESENT, dORSOINTERNAL (DI) ANd dORSOExTERNAL (DE) TUbERcLES EAch ALwAyS wITh ONE SETA. DORSOLATERAL TUbERcLE (DL) SEPARATE wITh TwO SETAE. LATERAL ANd SUbOcULAR (L + Sc) TUbERcLES dIffIcULT TO dISTINgUISh. ThORAx I wITh TwO SETAE PER SIdE, ONE ON DE ANd ONE ON DL. TUbERcLE DI fROM Th II TO Abd V ALwAyS wITh ONE MAcROSETA (vERy RARELy wITh ONE OR TwO AddITIONAL MIcROSETAE) ANd wELL SEPARATEd fROM OThER TUbERcLES. AbdOMINAL SEgMENT V wITh ThREE dORSAL MAcROSETAE ANd ONE SENSORIAL SETA PER SIdE. FOUR PALMATE OR bARbULATE MAcROSETAE bETwEEN ThE SENSORIAL SETAE ON Abd IV, TwO PALMATE OR bARbULATE MAcROSETAE bETwEEN ThOSE Of Abd V. VENTRAL chAETOTAxy REdUcEd, ONLy 3–4 SETAE ON EAch SIdE Of VE AREA Of Abd II ANd III. FURcAL vESTIgE wITh ONLy 4–5 SETAE ANd NO MIcROSETAE. NOTAbLy SMALL SPEcIES, USUALLy LESS ThAN 1 MM.

Type species: Palmanura mirabilis CASSAgNAU, 1983

Remarks. ThE gENUS wAS dEScRIbEd bASEd ON ONE MExIcAN SPEcIES. NOw wITh ThE NEw TAxA dEScRIbEd hERE, 22 SPEcIES ARE kNOwN, ANd NEw IMPORTANT chARAcTERS hAvE bEEN REvISEd. CEPhALIc SETAE G IS AbSENT AT 50% Of ThE SPEcIES, SETAE F ANd B ARE ALwAyS PRESENT IN ALL ThE MEMbERS, whILE SETAE A IS 25% AbSENT. ThERE ARE TwO OcULAR SETAE AT ThE MOST, ThERE IS NEvER OcA bUT OcM IS ALwAyS PRESENT, ANd OcP IS MISSINg IN 25% Of ThE MEMbERS. DI TUbERcLE Of Th II ANd III wITh ONE SETA (ExcEPT P. primigenia whIch hAS TwO AddITIONAL MIcROSETAE), DI TUbERcLE ON Abd I–II wITh ONE SETAE (ExcEPT P. primigenia ANd P. axelreatanai sp. nov.). DE TUbERcLE ALwAyS wITh ONE SETA fROM Th II TO Abd III.