Agriculture Reference
In-Depth Information
workers, males and foundress queens eventually
die.
germanica
is yellow, usually marked with three
black spots; in
V. vulgaris,
the black clypeal
markings are more extensive and often form a
broad, axe-like patch.)
Adult worker
similar to
queen but smaller.
Adult male
15-18 mm long,
similar in appearance to female (i.e. queen or
worker) but abdomen less pointed and without a
sting;
antennae
13-segmented.
DESCRIPTION
Adult queen
18-20 mm long, black and yellow,
with a distinctive narrow 'waist' and a pointed
abdomen armed with an unbarbed sting;
anten-
nae
12-segmented. (The clypeus of
Vespula
