Homologies of leg segments between groups are difficult to prove and are the source of much argument.
They differ in their eye arrangement and in having the first femora (third leg segment from the body) bowed.
The wasp must deliver a sting to the underside of the spider's cephalothorax, exploiting the thin membrane between the basal leg segments.
Neame spent several minutes manoeuvring a leg segment into a bag.
Also, as I learned recently, their legs are actually the leg segment of another race that's been beheaded and fitted onto each infant Orski.
The last leg segments (tarsi) of queens are mutilated and greatly reduced, which hinders their ability to locomote without assistance from workers.
For example,the ratios of the leg segments to each other were similar to ratios found in the stick insect Carausius Morosus.
Additional leg segments follow; then fission, and the newborn chi races off independently.
In well preserved palaeocharinids there is a ring, or annulus, around the trochanter-femur joint which may be the remains of an earlier leg segment.
The distal ends of the leg segments have transverse bands dark brown in color.