144 i-Juuc, 



Hah.: Brazil {3Ius. Brit.), Rio de .Fanciro (Fn/). 



Two mules, one acquired in 1871. Separable from D. himacuhi/a 

 Makl. by the mucli more elongate, 'posteriorly acuminate elytra, apart 

 from differences in colour, etc. 



4. — Disema xantliostigina, n. sp, 



c7. Elongate, subcylindrical, moderately shining- ; rufo-, the elytra flavo- 

 testaceons, the head and antennae, the suture (narrowly), base (indeter- 

 minately), and apex of the elytra, the apical half of the abdomen, and the 

 apices of the tarsi, black; the head and eWtra with a few scattered, erect, 

 bristly hairs, the tibiae pilose along their outer half within, the tarsi hairy. 

 Head almost smooth between the setigerous punctures, the eyes extremely 

 large, subcontiguous ; antennae stout, moderately elongate, strongly serrate 

 from joint .3 onward, 11 curved, asperate on its inner face, rather longer than 

 8-10 united. Prothorax a little Mdder than the head, about as broad as long, 

 eubcordate, obsoletely punctalate, sulcate down the middle anteriorly, trans- 

 versely depressed in the centre at the base, and "with a large, deep, triangular; 

 foveolate excavation on each side of the disc, the basal nnirgin thickened, raised, 

 laterally projecting. Elytra elongate, subparallel, flattened on the disc, about 

 one-half wider than the prothorax, rounded at the tip ; rather coarsely punctato- 

 striate, the interstices more or less convex, 1 and 3 with setigerous impressions 

 scattered throughout their length, the disc with a large, oblong, ochraceous, 

 opaque patch (extending between the striae 4-9) beyond the middle. Ventral 

 segment 5 broadly deeply, arcuato-emarginate at the apex, leaving the genital 

 ai'uiature partly exposed. Legs rather stout, moderately long, simple, the 

 intermediate tibiae slightly curved. 



Length 10|, breadth 3 mm. 



Hah. : Brazil, Rio de Janeiro {Fry). 



One male. Less elongate than D. inlateralis Pic (var. nigra- 

 frpicah's) c?» the antennae much stouter and shorter, the elytral scar 

 <d)long, the legs simple. D. souhironi Pic, from Cayenne, type S ■, bas 

 differently formed intermediate and posterior tibiae in this sex. 



5. — Disema inlateralis. 



5 . Disema inlateralis Pic, Melanges exot.-entom. i. p. 10 (Nov. 

 1911). 



$ . Var. Disema oiigroapicalis Pic, loc. cit. 



6 . Var. Disema arcuatijjes Pic, op. cit. iv, p. 8 (Sept. 1912). 



$ . Var. Disema inlateralis Pic, var. tesfaceipes Pic, loc. cit. p. 9. 



5 . Var. Disema atricollis Pic, L'Echange, xxvili, p. 77 (1912). 



c?. Antennae long, serrate, joint 11 curved, asperate on its inner face, 

 equalling 7-10 united ; eyes extremely large, almost contiguous; elytra with a 



