''Trachymela'' is a genus of beetles, commonly called

leaf beetles The insects of the beetle family Chrysomelidae are commonly known as leaf beetles, and include over 37,000 (and probably at least 50,000) species in more than 2,500 genera, making up one of the largest and most commonly encountered of all beetle ...

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 pot ...

. 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 A plantar wart, or verruca vulgaris, is a wart occurring on the bottom of the foot or toes. Its color is typically similar to that of the skin. Small black dots often occur on the surface. One or more may occur in an area. They may result in pain ...

(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 ''Angophora'' is a genus of nine species of trees and shrubs in the myrtle family, Myrtaceae. Endemic to eastern Australia, they differ from other eucalypts in having juvenile and adult leaves arranged in opposite pairs, sepals reduced to projec ...

'', ''

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 euca ...

'', ''

Leptospermum ''Leptospermum'' is a genus of shrubs and small trees in the myrtle family Myrtaceae commonly known as tea trees, although this name is sometimes also used for some species of ''Melaleuca''. Most species are endemic to Australia, with the greate ...

'').

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 The Interim Register of Marine and Nonmarine Genera (IRMNG) is a taxonomic database which attempts to cover published genus names for all domains of life from 1758 in zoology (1753 in botany) up to the present, arranged in a single, internally c ...

) * '' Trachymela granaria'' * '' Trachymela litigiosa'' * ''

Trachymela nodosa ''Trachymela'' is a genus of beetles, commonly called leaf beetles and in the subfamily Chrysomelinae. These beetles are usually brown or black and have elytra with verrucae (bumps) and lacking striae. ''Trachymela'' can be found in all states o ...

'' * ''

Trachymela papuligera ''Trachymela'' is a genus of beetles, commonly called leaf beetles and in the subfamily Chrysomelinae. These beetles are usually brown or black and have elytra with verrucae (bumps) and lacking striae. ''Trachymela'' can be found in all states o ...

'' * ''

Trachymela rugosa ''Trachymela'' is a genus of beetles, commonly called leaf beetles and in the subfamily Chrysomelinae. These beetles are usually brown or black and have elytra with verrucae (bumps) and lacking striae. ''Trachymela'' can be found in all states o ...

'' * '' Trachymela sloanei'' * ''

Trachymela tincticollis ''Trachymela'' is a genus of beetles, commonly called leaf beetles and in the subfamily Chrysomelinae. These beetles are usually brown or black and have elytra with verrucae (bumps) and lacking striae. ''Trachymela'' can be found in all states o ...

References

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