Tribe Gorytini


(Sternal images are for one species of each genus and do not necessarily correspond to facial species)

 

1  Hindwing media diverging more than 1.0 midocellus diameter beyond cu-a

 

2

 

1’ Hindwing media diverging before cu-a or not more than 1.0 midocellus diameter beyond it

 

3

 

2  Frons narrower at level of midocellus than shortly below it, omaulus continued ventrally as an acetabular carina, male sternum VIII sword shaped, often exserted

 

 

Argogorytes

 

2’ Frons broader at level of midocellus than below it; omaulus continued ventrally only as a fine seam, ending ventrally before midline; male sternum VIII normally concealed, broadly rounded at apex

 

Ochleroptera

 

3  Female with two rake setae on fore basitarsus before apex; male without special modifications on last four flagellomeres; spiracular groove present

4

 

3’ Without above combination of characters

5

 

4  Propodeal enclosure with sculpture or longitudinal ridging, at least along most of anterior sulcus

 

Sternum

Gorytes

 

4’ Propodeal enclosure without longitudinal ridging or general sculpture except sometimes in anterolateral corners, bounding sulci simple or appearing “pitted”

 

Sternum

 

Pseudoplisus

 

5  Mesopleuron with no trace of a sternaulus

6

 

5’ Mesopleuron with a complete or incomplete sternaulus

 

7

 

6  Clypeus laterally almost a right angle or more often obtuse; mandible bidentate; arolia of female nearly equal on all legs

 

Sternum

Sphecius

 

6’ Clypeus laterally acute; mandible simple; female foreleg with arolium much larger than on other legs

 

Sternum

Tanyoprymnus

 

7  Segment I pedunculate, tergum strongly humped toward apex

 

Sternum

Psammaletes

 

7’ Segment I sometimes narrowed but tergum evenly curved, not strongly humped towards apex

8

 

8  Acetabular carina present, distinct and complete

 

Sternum

Hopsiloides

 

8’ Acetabular carina absent

 

Sternum

Oryttus

 

Key Main