Description of Potophila verrucosa, gen. n. et sp. n. (Diptera: Psychodidae: Psychodinae) from the West Usambara mountains, Tanzania
Author
Kvifte, Gunnar M.
text
African Invertebrates
2014
2014-12-30
55
2
413
413
http://www.bioone.org/doi/abs/10.5733/afin.055.0203
journal article
10.5733/afin.055.0203
2305-2562
7918724
Potophila verrucosa
sp.n.
Fig. 1
Etymology: From Latin
verruca
(wart),referringtOtherugOsefieldOntheparamere.
Diagnostic characters: As for genus. Description:
Male.
Head
(
Fig. 1A
): Wider than long; vertex long,
c
. 0.4 of total head length, tapering tOwards anteriOr end,with small lateral knObs(fig.1A);eYebridge Of three rOws Offacets, separated by one-facet diameter width; interocular suture present, obtuse; ocular bristles absent; frontal scar patch crown-shaped with median band of alveoli reaching interOcularsuture;labellumbulbOus,setOse;OnlYfirstpalpsegmentpresentOnspecimen, 71µmlOng;scapecYlindrical,pedicelspherical,0.8×lengthOfscape;flagellOmereselOngate,sYmmetricallYnOdifOrm;firstflagellOmerewithnOdeverYelOngate,mOrethanthreetimesaslOngasinternOde;OtherflagellOmereswithinternOdeaslOngasnOde; eachflagellOmerewithtwOascOidattachmentpOints,ascOidsmissingfrOmspecimen; sOmeflagellOmereswithspinifOrmsensillae.
Thorax
: Anepisternum and dorsum densely setose; anepisternum with anterior spiracle present; anepimeron triangular without additional sclerite; laterotergite bare around margins; katepisternum and katepimeron bare; pronotum setose; metathoracal spiracle densely setose; coxae with longitudinal row of setae; legs missing.
Wing
(
Fig. 1B
):
3.135 mm
long ×
1.26 mm
wide; ovoid; basal costal node enlarged; membrane unpatterned, without vestiture; Sc terminating blind in the wing, reaching origin of R
5
; R
2+3
not connected to R
4
; radial fork in distal half of the wing, medial fork in basal half; basal part of M
2
weakened; r-m and m-cu faint; R
5
terminating slightly below apex of wing; CuA
2
terminating slightly distally to middle of wing but basal to radial fork; bases of M
1+2
and CuA
2
expanded; basal cells terminating close to base of wing.
Abdomen
without special features.
Fig. 1.
Potophila verrucosa
,
gen.netsp.n,hOlOtYpe♂:(A)head(dOrsalview);(B)wing;(C)terminalia (laterodorsal view); (D) epandrium and proctiger (laterodorsal view).Abbreviations: a ap – aedeagal apodeme; d – distiphallus; gcx – gonocoxite; gcx c – gonocoxal condyles; gst – gonostyle; hyp – hypandrium; lk – lateral knob; p – paramere; pam – parameral-aedeagal membrane; pp – parameral projections; vepa – ventral epandrial plate/aedeagal connection. Scale bars: 100 µm (A), 40 µm (C & D).
Terminalia
(
Fig. 1C, D
): With hypandrium narrow, straight; gonostyle 1.5 × length of gonocoxite; gonostyle basally with a cluster of lateral setae, with scattered spiniform sensilla along length; gonocoxal condyles triangular in dorsal and ventral views; aedeagus asymmetrical; basiphallus broad in dorsal view, connected laterally to parameres by parameral-aedeagal membrane, medially to distiphallus, morphodorsally with pointed connection to ventral epandrial plate; distiphallus comprised of two lateral phallomeres and morphodorsal phallic membrane forming duct; distiphallus twisted 90° to the left; parameres triangular with a morphoventral projection carrying small, verruca-like rugae; epandrium (
Fig. 1D
) broader than long; with single pseudospiracular opening; subepandrial plate large, semicircular in dorsal view; hypoproct broadly U-shaped, densely pilose, covering bases of epandrial claspers; epiproct small, oval; epandrial claspers curved, carrying three distal tenacula in one row; tenacula spatulate, 87 µm long, tips slightly expanded.
HOlOtYpe
:
♂
TANZANIA
:TangaregiOn,WestUsambaraMts,MazumbaifOrestreserve,1440m,
23.Xi.1990
,
Tanzania Expedition
leg,
sweep net
(
ZMB
).