Tessaromma, Newman, 1840

Jin, Mengjie, Ślipiński, Adam, Keyzer, Roger De & Pang, Hong, 2017, Review of Australian genera Tessaromma Newman and Phlyctaenodes Newman with description of a new genus and species (Coleoptera: Cerambycidae: Cerambycinae: Phlyctaenodini), Zootaxa 4277 (1), pp. 67-85 : 76

Key to species of Tessaromma

1 Pronotum with pair of strongly elevated and narrowly separated admedian tubercles, often joined posteriorly ( Figs 3A, B , I); small species, length usually less than 10mm ................................................................ 2

- Pronotal tubercles indistinct or broadly separated at middle ( Figs 3 E, G); larger species, length always over 10mm ....... 3

2 Genae in front of eyes with smooth yellow spot ( Fig. 3C ); elytral surface yellowish brown or dark brown; Queensland and New South Wales ...................................................................... T. nanum Blackburn

- Genae in front of eyes without yellow spot; elytral surface black to dark brown with silver pubescence; New Guinea......................................................................................... T. argenteonigra Gressitt

3 Pronotal tubercles flat, indistinct; elytra with adpressed setae not forming marble-like pattern ( Fig. 3 G); Tasmania only............................................................................................... T. triste (Hope)

- Pronotal tubercles prominent; elytra with dense silvery or golden adpressed pubescence forming wavy, marbled pattern ( Figs. 3 E); eastern Australia.................................................................. T. undatum Newman

Figures

FIGURE 3. A – D: Tessaromma nanum Blackburn. E – F: Tessaromma undatum Newman. G – H: Tessaromma triste (Hope). I – J: Tessaromma argenteonigra Gressitt (Holotype, BPBM).