1847 Hardy in Proc. Berw. Nat. Club II.No. 5. 237Antennæ black, fusco-piceous at the apex. 
Ibid. 244Elytra..with nearly parallel sides, flat, black, or fusco-testaceous. 
fusco-
combining form 
Etymology: International Scientific Vocabulary, from Latin fuscus 
 : having a dark color : tawny 
< fuscochlorin >
< fuscoferruginous >
< fuscochlorin >
< fuscoferruginous >