209 



The species of Homotrysis described above may be dis- 

 tinguished, inter se, as follows : — 



lllOIUnicolorous (prothorax and elytra of 



same colour). 

 2 6|Colour black. 

 3| 5 1 Legs dark. 

 4| jSize, 12x4i mm. Seriate punctures 



I large or in clusters variolosus, n. sp. 



o iSize, 9x2^ mm. Seriate punctures 



I sanall nigricans, Hope 



6 Legs testaceous paUipes, n. sp. 



7 9|Colour chocolate-brown (style of H. 



I pascoei, Macl.), 



8 j Elytra with seriate punctures large 



I and squiire, intervals punctat-e ... kershawi, n. sp. 



9 Elytra with seriate punctures small, 



I intervals rugose ....... doddi, n. sp. 



10 I Colour castaneous, post tibiae of 



male dentate post-tihialis, n. sp. 



11 13|BicoIorous. 



12 I Form robust (style of H carhonaria, 



I Grerm.), colour black and brown ... scuteUaris, n. sp, 

 13j I Form narrow, prothorax red, elytra 



I I blue rufo-coerulea, n. sp. 



Hybrenia occidentalis, n. sp. 



Rather widely obovat'C, black (in one specimen the femora 

 red). Upper-surface rather thickly pilose. 



Head closely and rather strongly punctate; the eyes 

 separated by a space of about half the diameter of one eye; 

 antennae with joints 3-6 subequal (the rest wanting). Pro- 

 thorax widely subrhomboidal, and rather flat, the apex 

 slightly advanced in the middle, anterior angles widely 

 rounded, sides nearly straight; widest at base, this truncate, 

 posterior angles acute, surface coarsely punctate, the punc- 

 tures not very close, each bearing a short upright red hair, 

 basal foveae triangular. Scut ell am widely triangular, punc- 

 tate. Elytra at base slightly wider than, and closely fitting, 

 prothorax, and about two and a half times as long; gradually 

 widening to near apex, then abruptly narrowed, striate- 

 punctate, intervals convex and punctate ; the punctures in 

 striae and on int-ervals of equal size and commingled, the 

 former in groups rather than in linear series; the middle and 

 front half of elytra having rows of subreticulate impressions, 

 each reticulation containing a cluster of about three punc- 

 tures; the whole with sparse, short clothing of red hair. 

 Prosternum rugose, mesosternum and metasternum coarsely 

 punctate, abdomen more finely so. Di/n. — 12-13x5^-6 mm. 



Hah. — Western Australia: Geraldton (J. Clark). 



Two specimens (both, I think, male) belong to a species 

 near H. mttata, Pasc, var. concolor, Cart., in facies, but with 



