1.
Corniculum large, obscuring most of frons and part of toruli (in anterior view),
heavily flared (Figs A & B) ...2
- Corniculum
small, much of frons and all of toruli exposed (in anterior view), flaring weak
or absent (No figures) ...4
2.
Anterior half of the dorsal surface of scutellum smooth (Fig. D); dorsal surface
of corniculum variably shaped, but not oblong ...3
- Anterior
half of dorsal scutellar surface striate (Fig. B); dorsal surface of corniculum
oblong ...Stentorceps
heimdalli Nielsen & Buffington
3. Dorsal
surface of corniculum circular ...Stentorceps
abbotti
Nielsen & Buffington
- Dorsal
surface of corniculum ovoid ...Stentorceps
tubicen
Quinlan
4. Corniculum
parallel sided, not flared; pyriform protuberances variable in
width ...5
- Corniculum
weakly flared; pyriform protuberances half the width of toruli ...Stentorceps
vuvuzela Nielsen & Buffington
5. Distinct
spine immediately dorsal to medial protuberance on clypeus;
pyriform protuberances equal to width of toruli ...Stentorceps
weedlei
Nielsen & Buffington
- Spine
dorsal to medial protuberance on clypeus absent; pyriform protuberances half the
width of toruli ...Stentorceps
zuparkoi Nielsen & Buffington |
