Type
genus: Liparochrus Erichson, 1848.
Description. Length 2.0-17.0 mm. Shape
variable, generally globose and nearly spherical when head and pronotum deflexed.
Color black, brown, or reddish brown. Head partially deflexed. Antennae10-segmented,
with 3-segmented, opposable club; club oval, first segment cupuliform. Eye canthus
variably developed. Eyes developed. Labrum exposed beyond apex of clypeus, prominent.
Mandibles partially exposed beyond apex of clypeus. Maxillae with 4-segmented
palpi, labium with apex not indented, with 4-segmented palpi. Pronotum convex,
smooth or punctate, base sinuous or rounded. Scutellum exposed, triangular. Elytra
convex, generally punctate, striae well-defined or not. Pygidium concealed by
elytra. Hind wings well-developed or reduced, with M-Cu loop present, MP3 and
MP4 veins present. Venter with surface generally vermiculate. Prosternum bi-concave.
Mesosternum not invaginated. Abdomen with 5 free sternites and 8 functional spiracles,
spiracles 1-7 situated on pleural membrane, spiracle 8 situated in tergite. Protibiae
with 2 or 3 teeth. Meso- and metatibiae without transversal carinae. Metatibia
occasionally expanded. Tarsi 5-5-5. Ventral position of protarsi at or basal to
second tibial tooth. Tarsal claws simple or complex. Male genitalia distinctly
asymmetrical.
Composition. The subfamily Liparochrinae
includes two genera and 48 species.
Distribution. Australian and Indomalaysian
regions. Most species are from humid areas of Queensland and the Northern Territory
in Australia.
Natural history. Adults feed on carrion
and dung. A few species were collected on fruits (Paulian 1980). Larvae are unknown.
Bibliography:
Ocampo, F.
C. 2006. Phylogenetic Analysis of the Scarab Family Hybosoridae and Monographic
Revision of the New World Subfamily Anaidinae (Coleoptera: Scarabaeidae). Bulletin
of the University of Nebraska State Museum, Vol. 19. 210pp.