Fig. 7

Diversity of external morphology of larval epidermal abdominal segmental glands in Necrophilus hydrophiloides Guérin-Méneville, tergites VI and VII (A, B); Myrmicholeva sp. 1, tergites II and III (C) and tergite IX (D); Cholevomorpha sp., tergites VII and VIII (E) and tergite IX (F); Neopelatops sp. 1, tergites IV and V (G); Prionochaeta opaca (Say), tergites VI and VII (H). Photographs A, C, E, G, H shows gland openings (black arrow). Photographs B, D, F shows details of external gland morphology. Light microscopy. ca, carina; cfa, cuticular fold area; co, cup-like opening; cpa, cuticular perforated area; o, gland opening.