- appearance. They have three-segmented antennae, a
diagnostically prominent postscutellum bulging beneath the
scutellum (a
segment of the mesonotum). They are...
-
suture across the middle,
along with well-defined
posterior calli. The
postscutellum is
absent or
weakly developed. The
costa is
unbroken and the subcosta...
- black, with a
yellow stripe along the
forehead and
yellow scutellum and
postscutellum. The legs are brown, but the hind legs are black. The
wings are clear...
-
posterior callus; 6: mesoscutellum; 7:
tansverse suture trasversa; 8:
postscutellum; 9: metanotum; 10: wingbase; 11: mesopleuro-tergite or laterotergite...
-
dorsal surface and it is
slightly wider at the
front than the rear. The
postscutellum, has a short,
horizontal surface dorsal which is not
obviously separate...
- Europe. They are
characterised by a
black body, with
yellow scutellum,
postscutellum,
mandibles and legs.
Females show a very long ovipositor. This wasp...
- the
thorax there is a striking, orange-red and
shiny 'bump'
called postscutellum, with a thin
black edge. The head is
yellowish colored, with long antennae...
- The
sides of the
mesonotum have
whitish longitudinal stripes. The
postscutellum is black. The head has blue-green eyes. The face
shows a
raised longitudinal...
-
skeleton of the
larval anterior digestive system), and as adults, the
postscutellum is well-developed. A few species, S. longipes, S. pallidihirturn, and...
-
wings are very
reduced (brachyptery),
reaching only the hind
margin of
postscutellum or the
first abdominal tergite.
These wasps usually move
nimbly on the...
