The cerci are concealed in the American Cryptocercus, Scudd.
The externally visible appendages of the abdomen are the cerci and the styles of the male Cockroach.
Jointed cerci are commonly found in Orthoptera (including Pseudo-Neuroptera); in the Earwig they become modified and form the forceps.
Insects, tending to the conclusion that the palps and the cerci may be sensitive to odours, and that in special cases the palps may be even more sensitive in this respect than the antennæ.
The perception of faint odours cannot be effected by the palps or cerci of the Cockroach, but only by the antennæ.
The cerci are found in both sexes; they are composed of sixteen rings each, and project beneath the edge of the tenth tergum.
It is to be remarked that unusually large nerves supply the cerci of the Cockroach.
The cerci appear to have been long, slender, very spinose organs much like the antennules, but stiff rather than flexible.
Least satisfactory of all are traces of what are interpreted by the describer as a pair of long stiff unsegmented cerci or stylets on the last segment.
A, Herpomyces arietinus growing on antennae, legs, body, and cerci of a nymph of Parcoblatta virginica, x 7.
Enderlein (1901) that these cerci clearly belong to a partially suppressed eleventh segment, and R.
In the more generalized insects the abdomen evidently consists of ten segments, the hindmost of which often carries a pair of tail-feelers, (cerci or cercopods) and a terminal anal segment.
It has been disputed whether any truecerci exist in the higher insects, but they are probably represented in the Diptera and in the scorpion-flies (Mecaptera).
Borner (1904), for example, considers the presence or absence of cerci of great importance, while F.
In some cases, however, it can be shown that the cerci really belong to an eleventh abdominal segment which usually becomes fused with the tenth.
In those insects in which a median terminal appendage exists between the two cerci this is considered to be a prolongation of the eleventh tergite.
With very few exceptions, the larva in this group is active and campodeiform, with cerci and elongate legs as in the Adephaga, but the leg has only four segments and one claw.
The carabid larva is an active well-armoured grub with the legs and cerci variable in length.
At the base of the tail-feelers or cerci also, there are little tufts of thread-like gills as J.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "cerci" in a variety of sentences. We hope that you will now be able to make sentences using this word.
