Ephemerythus gilliesi sp.

Kluge, Nikita J. & Novikova, Eugenia A., 2017, Revision of Ephemerythus Gillies 1960 (Ephemeroptera: Tricorythidae), Zootaxa 4347 (1), pp. 31-55: 52

publication ID

https://doi.org/10.11646/zootaxa.4347.1.2

publication LSID

lsid:zoobank.org:pub:08E7E948-410A-4EA8-9DB3-6B0374C2A467

DOI

http://doi.org/10.5281/zenodo.6028968

persistent identifier

http://treatment.plazi.org/id/03F22843-FFDB-FFFF-FF6E-FB8AFE715830

treatment provided by

Plazi

scientific name

Ephemerythus gilliesi sp.
status

sp.

Ephemerythus gilliesi sp.   n.

( FIGS 88–97 View FIGURES 88 – 93 View FIGURES 94 – 97 )

Ephemerythus Sp. C   : Kluge 2010a: 30 (larVa).

Etymology. THE SPEcIES IS NAmED IN HONOR Of M.T. GILLIES, WHO PROvIDED uS WITH THE SPEcImEN DEScRIbED bELOW.

Material. HOLOTyPE: L/S ♀: CAMEROON, YAOuNDé, 6.IX.1956, cOLL. M.T. GILLIES (REcEIvED fROm M.T. GILLIES IN 1991).  

Descriptions. Female larva. BITING EDGE Of mAXILLA RELATIvELy NARROW: INNER-DORSAL ROW, bESIDES TWO DENTISETAE, WITH 2 SETAE PROXImAD Of PROXImAL DENTISETA; INNER-vENTRAL ROW cONSISTING Of 4–5 SETAE; APIcAL TufT Of LONG SETAE cONSISTING Of 6 SHORT ARcHED ROWS ( FIG. 88 View FIGURES 88 – 93 ). FEmORA NOT WIDE; STOuT, SPATuLATE SETAE LONG, ON fORE fEmuR fORmING IRREGuLAR, TRANSvERSE ROW ( AS IN E. niger   – KLuGE 2010A: FIGS 16, 17 View FIGURES 14 – 17 ). FORE TIbIA WITH POINTED, PEcTINATE SETAE ON INNER SIDE, WITH LONGITuDINAL ROW Of STOuT, bLuNT SETAE ON ANTERIOR SIDE, AND WITH IRREGuLARLy SITuATED, STOuT, bLuNT SETAE ON POSTERIOR SIDE ( FIG. 89 View FIGURES 88 – 93 ). MIDDLE AND HIND TIbIAE WITH POINTED, PEcTINATE SETAE ON INNER SIDE AND TWO LONGITuDINAL ROWS Of STOuT, bLuNT SETAE ( AS IN E. niger   – KLuGE 2010A: FIG. 17 View FIGURES 14 – 17 ). HIND PROTOPTERA AbSENT. AbDOmINAL TERGA AND STERNA WITH SPARSE SImPLE SETAE, WITHOuT OTHER SOckETS ( IN cONTRAST TO E. pictus   ). TERGALIuS V WITHOuT vENTRAL LObE; TERGALIuS VI AbSENT ( FIGS 90–93 View FIGURES 88 – 93 ; AS IN E. pictus   – FIGS 40–43 View FIGURES 39 – 46 ). CuTIcLE NEARLy uNIcOLOR, OcHER OR bROWNISH; HyPODERmAL cOLORATION uNkNOWN.

Winged female. HIND WINGS AbSENT ( AS IN E. niger   AND E. nigricolor   ).

Egg ( FIGS 94–96 View FIGURES 94 – 97 ). AS cHARAcTERIzED fOR Ephemerythus   (SEE AbOvE)   ; LENGTH (WITHOuT cAP AND TAIL) AbOuT 0.2 mm; TAIL LENGTH 0.09–0.13 mm. TAIL mucH LONGER THAN IN OTHER SPEcIES (AbOuT ½ Of EGG LENGTH), cONSISTING Of LONG, STOuT POINTED PROcESSES, WHIcH cAN bE fuSED ONE WITH ANOTHER by mEANS Of THIN WALLS; NumbER Of PROcESSES EITHER fOuR ( FIG. 94 View FIGURES 94 – 97 ), THREE ( FIG. 95 View FIGURES 94 – 97 ) OR TWO ( FIG. 96 View FIGURES 94 – 97 ).

Male. UNkNOWN.

Size. BODy LENGTH AbOuT 6 mm.

Comparison. E. gilliesi   SP.N. DIffERS fROm E. niger   AND E. nigricolor   by THE STRucTuRES Of TERGALII, WHIcH ARE SImILAR TO THAT Of E. pictus   ; IT DIffERS fROm E. pictus   by THE STRucTuRES Of mAXILLAE AND fEmORA, WHIcH ARE SImILAR TO THOSE Of E. niger   AND E. nigricolor   (SEE TAbLE 1). Ephemerythus gilliesi SP.   N. DIffERS fROm ALL OTHER EXAmINED SPEcIES Of Ephemerythus   by ITS vERy LONG EGG TAILS ( FIGS 94–96 View FIGURES 94 – 97 ) AND by THE PRESENcE Of bLuNT SETAE ON THE POSTERIOR SIDE Of THE fORE TIbIA ( FIG. 89 View FIGURES 88 – 93 ).

NOT

Nottingham City Natural History Museum

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Ephemeroptera

Family

Tricorythidae

Genus

Ephemerythus

Loc

Ephemerythus gilliesi sp.

Kluge, Nikita J. & Novikova, Eugenia A. 2017
2017
Loc

Ephemerythus

Kluge 2010: 30
2010