Review of the Afrotropical genus Dwightla McKamey (Hemiptera: Cicadellidae: Deltocephalinae: Selenocephalini) with description of a new species from Nigeria
Author
Lu, Lin
Author
Zhang, Yalin
text
Zootaxa
2018
2018-01-11
4370
3
267
270
journal article
31028
10.11646/zootaxa.4370.3.4
5d9ff5c2-a9c8-4271-8756-e09e3ed9d955
1175-5326
1145535
B7FD7ADC-CCDA-4332-8D14-88A2323B21B8
Genus
Dwightla
McKamey, 2003
Dwightia
Linnavuori
& Al-Ne'amy, 1983: 24. Type species:
Dwightia acutipennis
Linnavuori
& Al-Ne'amy, 1983 by original designation. Preoc.:
Dwightia
Wilson, 1924
Dwightla
McKamey, 2003
: 449
;
Zahniser & Dietrich, 2013
: 159
. Type species:
Dwightia acutipennis
Linnavuori
& Al-Ne'amy, 1983
Diagnosis.
Large, ochraceous or reddish brown. Head with vertex marked with large dark basal spots and sometimes with row of four dark spots near hind margin. Pronotum with oblique transverse row of dark spots symmetrically arranged. Scutellum without dark spots. Scape of antenna white and pedicel dark brown. Forewing with callosities and one row of about eight brown spots along costal margin. Head as broad as pronotum. Vertex short, anterior and posterior margins parallel. Ocelli situated their own diameter distant from adjacent eye. Face very broad. Frontoclypeus concave, not tumid. Antennae short, arising near upper corners of eyes with antennal pit obtuse or oblique. Pronotum with disc transversely striate, lateral margin short, carinate. Forewing macropterous, elongate, strongly tapering to apex, uneven, coriaceous and with setal covering and extra crossveins near costal margin, with three subapical cells, two closed; cross vein present between outer claval vein and claval suture, appendix distinct. Profemur row AM with AM1 and two or more additional proximal setae, intercalary row (IC) with about five or more fine setae; anteroventral setae (AV) row with very long macrosetae in basal half. Fore tibiae with irregular setae. Hind femur with apical setal formula 2+2+1 or 2+2+1+1.
Pygofer broad, conical dorsally, side lobes without macrosetae, with or without appendages. Valve broadly triangular and articulated with pygofer. Subgenital plates subtriangular and articulated with valve, macrosetae irregularly arranged near lateral margin. Style with apical process long and preapical angle distinct. Connective short. Aedeagus articulated to apex of connective, symmetrical and recurved dorsad, with simple shaft long with one or two pairs of lateral processes; gonopore large, subapical on ventral side. Female 7th sternite longer than 6th, hind margin insinuated.
Distribution:
Afrotropical Region.