CATAULACUS. 121 



latus, Latr., I have always found on the hark or leaves o£ trees 

 wandering ahoiit apparently in an aimless sort of way. The species 

 make their nests in the hollows of brauches, and Mr. Wrougliton 

 states that they keep ant-cattle in the shape of Lyctciiid larvtc. 



Kei/ to the Si)ecies. 



a. Basal portion of metaiiotum with acute spines 



on the posterior lateral angles. 

 a'. Reticulate, striate; no raised acute little 

 granular tubercles on abdomen, a few on 

 margins of head and thorax. 

 a-. Legs with the tibiae orange-red above . . C. taprohance, p. 123. 



b'-. Legs entirely black C. latus. p. 121. 



b'. Reticulate, striate, in part ])unctate ; head, 

 thorax and abdomen with more or less 

 irregularly scattered raised acute little 

 gramdar tubercles above as well as on 

 margins of head and thorax. 

 a'-. First node of pedicel rounded in front . . C. ijramdatus, p. 122. 

 b-. Fn-st node of pedicel obliquely truncate 



in front C. shnoii/', p. 123. 



b. Basal portion of metanotum without acute 



spines on the posterior lateral angles;, instead 

 these are furnished with obscure blunt pro- 

 jections, not at all conspicuous C. midicus, p. 124. 



139. CatanlacilS latus, Ford, in Grandidiei: Hist. Fhys. Nat. Pol. 

 Madaij. xx, pt. 2, p. 144 (1892) ; Wrouqhfon, Jour. Bomb. N. H. 

 Soc. vii (1892) p. 178, pi. c, hgs. 8. 9, 10. 



g . Dull dead ink-black, with a mere touch of castaneous brown 

 at the apex of the scape and of the flagellum of the antennae, 

 and at the joints of the legs ; pilosity almost altogether absent, 

 merely a few very short white bristly liairs, chiefly at the apex of 

 and beneath the abdomen ; head, thorax and abdomen finely 

 punctured, granulate aud opaque, the legs and pedicel coarsely 

 rugose, granulate, the margins, lateral and posterior, of the head 

 and thorax studded irregularly with httle blunt points ; the 



Fig. [)(j. — CafattlacuK latus. a. Head from the side. 



sculpture on the bead, thorax and abdomen in certain lights 

 running into striae. Head nnu-b broader than long, lightly convex, 

 the occiput widely emarginate, the posterior lateral angles pro- 

 minent, slightly dentate ; mandibles subtriangular, obscurely 

 striate ; clypeus large, A\idelv emarginate anteriorly ; antennae 

 stout, when folded completely hidden from above in the deep 

 fossa beneath the eyes. Thorax : the pronotum broader than long, 

 the anterior margin broad and transverse, the pro-mesonotal suture 



