Trichalcidion Monné & Delfino, 1981

Monné, Miguel A., Santos-Silva, Antonio & Monné, Marcela L., 2020, Key to South American genera of Acanthocinini (Coleoptera, Cerambycidae Lamiinae) with erect setae on elytral surface, Zootaxa 4789 (2), pp. 523-553 : 548

Trichalcidion Monné & Delfino, 1981

( Figs. 18–20 )

Trichalcidion Monné & Delfino, 1981: 260 .

Type species — Trichalcidion penicillum Monné & Delfino, 1981 (original designation).

Diagnosis. Lateral tubercle of the prothorax slightly prominent, situated behind the middle; each elytron with two crests, one centrobasal formed only by setae, without projections of the integument, and another median as an integumentary projection. Number of species currently included: 1.

Figures

FIGURES 16–32. 16) Pertyia sericea (Perty, 1832), Brazil (Espírito Santo), ventral view. 17) Cosmotoma adjuncta (Thomson, 1860), male, dorsal view, Brazil (Pará). 18–20) Trichalcidion penicillum Monné & Delfino, 1981, male, Colombia: 18) Dorsal view; 19) Lateral view; 20) Ventral view. 21–23) Exalcidion tetramaston (White, 1855), male, no place indicated: 21) Dorsal view; 22) Lateral view; 23) Ventral view. 24–26) Trichotithonus curvatus (Bates, 1885), holotype male of Pentheochaetes nitidus Monné & Martins, 1976, Brazil (Santa Catarina): 24) Dorsal view; 25) Ventral view; 26) Lateral view. 27–29) Lithargyrus melzeri Martins & Monné, 1974, holotype male, Brazil (Santa Catarina): 27) Dorsal view; 28) Ventral view; 29) Lateral view. 30–32) Baryssinus albifrons Monné & Martins, 1976, holotype male, Brazil (Espírito Santo): 30) Dorsal view; 31) Ventral view; 32) Lateral view.