Abrus (Dai, Wu & Zhang, Yalin 2008)
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Ordo: Hemiptera
Familia: Cicadellidae
Name
Abrus Dai and Zhang, 2002 – Wikispecies link – Pensoft Profile
- Abrus Dai, Wu, 2008, Zootaxa 1688: 38-38.
Description
Description. Orange to brownish-yellow, crown with two pairs of similar black spots on anterior margin, pronotum with pair of black markings on anterior part. Inner and central anteapical cells at apex, third and fourth apical cells at base each often with a black spot. Body elongate, robust. Head including eyes narrower than pronotum. Crown longer medially than next to eyes but shorter than width between eyes; anterior margin roundly produced anteriorly in dorsal view; disc somewhat flat; anterior margin with four dark markings. Transition of vertex and frontoclypeus rounded. Eyes fairly large. Ocelli situated on frontal margin of crown next to eye, separated from eye by distance equal to or less than their own diameter. Frontoclypeus narrow, longer than width between eyes. Clypellus slightly expanded apically. Pronotum with its anterior margin roundly produced and posterior margin slightly concave. Scutellum almost as long as one and one half times length of head, with transverse suture straight and depressed. Forewing exceeding abdomen, with wide appendix, three subapical and 4 apical cells, inner subapical cell open. Sc and R in hind wing separate distinctly. Fore femur with several basal ventral macrosetae and several fine intercalary setae. Fore tibia with two rows of macrosetae from base to apex at dorsal margin (6 + 7), and two rows of short to moderately long setae at ventral margin. Hind femur very slightly broadened distally, before expanded apex, the latter with formula 2 + 2 + 1. Hind tibia nearly straight, armed with following stout setae (following Davis, 1975): R 1 20 + 1, R 2 12 + 1, R 3 15 + 1. Male pygophore narrowing to apex or with posterior margin blunt, with or without dorsal/ventral process; several macrosetae posteriorly and some at mid-ventral margin; with a membranous process from inner apex, covered with minute setae. Subgenital plate short to long with several irregularly arranged macrosetae laterally. Connective Y-shaped, shaft robust and arms well developed. Style with basal half wide, narrowing to midlength with apical half narrow. Aedeagus with basal apodeme well developed, produced dorsally; shaft long, curved dorsad with well-developed dorsal projection at base and paired appendages apically, gonopore at or near apex. Female with abdominal sternum VII subequal in length to length of abdominal sternum VI, its caudal margin concave, v-shaped; first pair of gonapophyses tapered from base to apex, with submarginal cell-like sculpture dorsally, without teeth; second pair of gonapophyses lanceolate, with scalelike sculpture dorsally.
Discussion
Remarks. This genus resembles Matsumurella Ishihara in general appearance, but differs in having the clypellus expanded apically, the male pygophore with a long membranous process from its inner apex and the aedeagus with a well-developed basal projection dorsally. This genus is also very similar to Thamnotettix Zetterstedt but in addition to the above characters it differs in having several irregularly arranged setae laterally on the subgenital plate rather than a single row.
Distribution
Distribution.China (Gansu, Hunan, Fujian, Guizhou, Guangxi, Guangdong).
Taxon Treatment
- Dai, Wu; Zhang, Yalin; 2008: A review of the genus Abrus Dai & Zhang (Hemiptera: Cicadellidae, Deltocephalinae) from China with description of one new species, Zootaxa 1688: 38-38. doi
This treatment was originally uploaded by Plazi, compare this treatment on Plazi. Unless this treatment has been substantially changed on Species-ID, Plazi requests to maintain a link back to the original repository.
