49a (1). Form beetle-like; antennae usually not
clubbed, but if so then club segments are not lamellate (= with leaf- or plate-like segments); 1st visible
abdominal sternite not normally interrupted by the hind coxal cavities; outer
lobe or galea of maxillae not a segmented process (= palpiform), maxillary palpi much shorter than antennae; hind
tarsi with at least as many segments as front and middle tarsi; elytra (= the thickened front wings)
short, exposing much of abdomen (Fig. A)......................................................................…………….......Staphylinidae.....50 Please CLICK on picture to enlarge 49b. Elytra covering most of abdomen, not
shortened............……..............................................................
[not parasitic on synanthropic
Diptera] |