- The
ptilinum is an
eversible pouch on the head,
above the base of the
antenna in
schizophoran flies (a
section of
muscomorphan and
cyclorrhaphan flies)...
-
inflatable membranous sac
called the
ptilinum that
protrudes from the face,
above the antennae. The
inflation of the
ptilinum (using
fluid hemolymph rather than...
-
familiar Muscomorpha with one
notable exception; they do not
possess a
ptilinum, so lack the
prominent ptilinal suture on the face as in
other muscoid...
- the head that can be
inflated to
break through the
puparium wall. The
ptilinum of P.
tibialis contains numerous sclerotised scales,
which help with eclosion...
-
Adult emerging from gall.
Notice the
ptilinum on the head...
-
frontal region of the head.
Aschiza have no
ptilinum or ****ociated suture,
Schizophora have both
ptilinum and its suture. Becher's
collection of Austrian...
- complete, the
adult housefly emerges from the pupa. To do this, it uses the
ptilinum, an
eversible pouch on its head, to tear open the end of the
pupal case...
- hoverflies. Like these, the
adults do not
burst open
their pupal cases with a
ptilinum when hatching, thus the
Aschiza do not have the inverted-U-shaped suture...
-
dorsal bare
arista or
terminal style.
Above the
antennae is an
inflatable ptilinum. The oral
opening is
large and the
proboscis is long and
slender and often...
- fly
expands its
ptilinum to
burst open puparium's end. Out of the
fresh hole and
surrounding soil, the
adult emerges by
using the
ptilinum,
struggling to...
