Tergite IX missing, only indicated by a group of setae; sternite IX strongly reduced, weakly sclerotized, constricted medially.
42.
Terminal papillae consisting of two somewhat weakly sclerotized plates forming a band; vestibulum a large sac, without any special characters.
43.
The spiders rub these structures with a matching pair of sclerotized plates at the anterior portion of the abdomen, producing sound.
44.
The larvae in the third instar stage of " L . mexicana " does not have a defined sclerotized head capsule.
45.
The cheek or gena forms the sclerotized area on each side of the head below the compound eyes extending to the gular suture.
46.
Male seed beetles ( Coleoptera : Bruchidae ) have sclerotized spine on their genitalia, which penetrate the female and leave melanized scars.
47.
The abdomen, which is less sclerotized than the thorax, consists of 10 segments with membranes in between, allowing for articulated movement.
48.
In some nymphs / naiads the most anterior pair has become sclerotized and works as a gill cover for the rest of the gills.
49.
From its closest relatives, the cucumber moth is most reliably distinguished by anellus forms a small triangular plate which is more strongly sclerotized.
50.
The thorax is divided into the prothorax, mesothorax and metathorax; the dorsal side of the prothorax is a sclerotized shield, the pronotum.
