Common Oblique Syrphid
Allograpta obliqua
Differential diagnosis 2
Allograpta obliqua belongs to a group, Allograpta obliqua species group, characterized by: face straight, with low indistinct tubercle of variable size; oral opening about 1.5 as long as wide, with oral apex at level of antennal base; antennal pits confluent; plumula well developed; subscutellar fringe distinct; wing partially bare basomedially, without apical dark macula; alula broad, about 1.5 times as broad as cell BM; metasternum pilose; abdomen elongate (mengual et al. 2009).
Allograpta obliqua differs from other species in this group by: scutellum yellow or unicolorous; katepimeron yellow, forming a continuous yellow band from anepisternum to katatergum; 4th tergum medial black vittae and with a pair of parallel yellowish vittae; mesonotum not continuously yellow laterally, black behind transverse suture. The most characteristic feature is the two parallel yellow vittae and two oblique yellow vittae on 4th and 5th terga.
Sources and Credits
- (c) Denis Doucet, some rights reserved (CC BY-NC), uploaded by Denis Doucet
- (c) Mengual, Ximo, some rights reserved (CC BY-NC-SA), http://eol.org/data_objects/11746403
