''Trachymela'' is a genus of beetles, commonly called leaf beetles and in the subfamily

Chrysomelinae The Chrysomelinae are a subfamily of leaf beetles (Chrysomelidae), commonly known as broad-bodied leaf beetles or broad-shouldered leaf beetles. It includes some 3,000 species around the world. The best-known member is the notorious Colorado po ...

. These beetles are usually brown or black and have

elytra An elytron (; ; , ) is a modified, hardened forewing of beetles (Coleoptera), though a few of the true bugs (Hemiptera) such as the family Schizopteridae are extremely similar; in true bugs, the forewings are called hemelytra (sometimes alterna ...

with verrucae (bumps) and lacking

striae Stretch marks, also known as striae () or striae distensae, are a form of scarring on the skin with an off-color hue. Over time they may diminish, but will not disappear completely. Striae are caused by tearing of the dermis during periods of r ...

. ''Trachymela'' can be found in all states of Australia There are over 120 species. ''Trachymela'' is native to Australia and New Guinea and introduced elsewhere. Host-plants: Myrtaceae ('' Angophora'', ''

Eucalyptus ''Eucalyptus'' () is a genus of over seven hundred species of flowering trees, shrubs or mallees in the myrtle family, Myrtaceae. Along with several other genera in the tribe Eucalypteae, including '' Corymbia'', they are commonly known as e ...

'', '' Leptospermum'').

Taxonomy

The genus was first described by

Julius Weise Julius Weise (6 June 1844 – 25 February 1925) was a German entomologist. He specialised in Coleoptera, especially Chrysomelidae and Coccinellidae, and was one of the first entomologists to use genitalia to identify and classify species. His co ...

in 1908. In 1994, Mauro Daccordi synonymised the genus ''Chondromela'' with ''Trachymela'', defining it as a subgenus of ''Trachymela''.Daccordi, M. 1994. Notes for the phylogenetic study of Chrysomelinae, with descriptions of new taxa and a list of all the known genera. pp. 60-84 ''in'' Furth, D. (ed.). ''Proceedings of the 3rd International Symposium on Chrysomelidae, Bejing, 1992''. Leiden : Backhuys 150 pp. 8 Trachymela rugosa29

Selected species

(From IRMNG) * '' Trachymela granaria'' * '' Trachymela litigiosa'' * '' Trachymela nodosa'' * '' Trachymela papuligera'' * '' Trachymela rugosa'' * '' Trachymela sloanei'' * '' Trachymela tincticollis''

References

{{Taxonbar, from=Q2431007 Chrysomelinae Beetles of Australia Chrysomelidae genera Taxa named by Julius Weise Taxa described in 1908