|
A
Key to the Nearctic Genera of Therevidae
| 21.
There is a pair of shiny, black, raised calli on the upper face
below the antennae.(Fig 31) The thorax
and abdomen are covered with totally appressed, broad scales
in addition to normal hair. |
 |
| There
are no shiny, black calli on the face. The hair on the thorax
and abdomen is semi-appressed and scaly and erect and normal. |
|
|
