- plectrum)
being moved across a finely-ridged
surface (the "file" or
stridulitrum—sometimes
called the pars stridens) or vice versa, and
vibrating as it...
-
Sound is made by
rasping the
proboscis against ridges in this
groove or
stridulitrum (stridulatory organ).
These sounds are
often used to
discourage predators...
- long and
maneuverable in mutillids. In both ****es, a
structure called a
stridulitrum on the
metasoma is used to
produce a
squeaking or
chirping sound when...
- the
morphologically similar family, Lygaeidae.
Alydus uses ridges, or
stridulitrum, on the
forewing and nodes, or plectrum, on the
femur to
produce stridulation...
- of a
small number of
hemipterans known to
possess a sound-producing
stridulitrum, in
which the hind
femur is
rubbed against the
costal margin of the forewings...
- IV with a
complete tergosternal fusion,
abdominal segment IV with a
stridulitrum on the
pretergite the
sternite of
abdominal segment IV is reduced, the...
- of
helcium with a
median emargination;
prora an
anteroventral tooth;
stridulitrum present.
During its
history Promyopias has been
regarded as a separate...
-
family characters are the
presence of a
structure for stridulation, the
stridulitrum on the
first anal vein of the hind wing, and
bristles on the claws. The...
-
males and
females are
extremely similar.
Unlike Cerambycinae,
their stridulitrum is divided. The
larvae are
completely different from
those of Cerambycinae...
- "stridulatory
surface is well developed",
which it is not. In fact, the
stridulitrum is
absent from all
species except P. pulc****a,
where a
vestigial and...
