The muscle that elevates the testicles as temperatures get colder or when the front or inner surface of the thigh is stimulated.

a series of hooks used to attach the pupa of a butterfly or moth to a twig or other structure. Read more on: Cremaster

A structure, much like a hook, on the rear of a chyrsalis, which helps to secure the chrysalis to a leaf, twig, etc.

Hooks on the pupa for attaching to silk pads.

 cluster of small hooks, less often one large hook, used to grip pupal support in Lepidoptera pupa. Cross-vein:

Tiny hooks at the tip of the abdomen of a pupa, used to secure the pupa to a silk pad spun by the caterpillar.

the stem by which a pupa or chrysalis hangs, at the abdominal or hind end of a pupa. It replaces the anal claspers in attaching the chrysalis to the branch or stem (or wherever the caterpillar chooses to make its chrysalis).

The hind part of a pupa by which some species hang during pupation.

One or more hooks at the tip of the abdomen of a pupa that hook into a pad of silk laid on some supporting object. crochets

(anatomy) A thin muscle attached to the testicles. (zoology) In the pupae of certain species of butterfly, a hook-shaped protuberance from the rear of the chrysalis casing, by which the caterpilla [..]