-
posterior (rear), the
major longitudinal veins are named:
costa C,
meaning rib
subcosta Sc,
meaning below the rib
radius R, in
analogy with a bone in the forearm...
-
venation may be
greatly reduced. In
chalcidoid wasps, for instance, only the
subcosta and part of the
radius are present. Conversely, an
increase in venation...
- is
highly unusual compared to
other groups in the
family Derbidae. The
subcosta and
radius veins are
fused for most of
their length, if not completely...
- is the
third vein, the
subcosta,
which branches into two
separate veins: the
anterior and posterior. The base of the
subcosta is ****ociated with the distal...
- edge of the wing,
strong and marginal,
extends to the apex of the wing.
Subcosta (Sc) –
second longitudinal vein, it is
unbranched and
joins the
costa at...
- The
proboscis (rostrum) is
short and the
antennae are verticillate. The
subcosta (Sc)
fuses with
radial vein R
slightly distal to the base of the radial...
- cell is present. The
costa does not
extend around the
entire wing. The
subcosta reaches the
costa independently of vein 1, or
joins vein 1
close to where...
-
postscutellum is
absent or
weakly developed. The
costa is
unbroken and the
subcosta is
apparent on the insect. Most
species of
blowflies studied thus far are...
-
Basal plan of the wing venation.
Longitudinal veins: C: costa; Sc:
subcosta; R: radius; M: media; Cu: cubitus; A: anal. Crossveins: h: humeral; r-m: radio-medial;...
-
forking of the media. The
costa is
spread over the
entire margin and the
subcosta is long,
often ending on the
distal half of the
costal margin. The radius...
