446 FAMILY XI. STAPH YLINIU/E. 



852 (2620). Taciiinus lukidus Brichs., Gen. Spec. Staph., 1840, 920. 

 Head black ; legs, sides of thorax, basal two-thirds, sides and tip of 



elytra dull yellow : anteunie reddish-brown, the four basal joints paler ; un- 

 der surface, and abdomen piceous. Head and thoi"ax minutely alutaceous, 

 very finely and indistinctly punctate. Elytra together one-third longer than 

 wide, more distinctly alutaceous. sparsely and finely punctate. Abdomen 

 punctured as elytra, almost smooth beneath. Length 5-5.6 mm. 



Laporte County ; rare, ifay 7. 



853 ('2621). TACiimrs fimbkiatcs Grav., Mon. Col. Jlicr., 1806, 191. 

 Head and thorax black, shining; elytra pale chestnut brown, tip nar- 

 rowly piceous; anteiin:e black, four basal joints and the last one pale; ab- 

 domen, under surface and legs piceous. Head and thorax finely alutaceous, 

 minutely punctate. Elytra together as wide as long, minutely alutaceous, 

 rather coarsely and irregularly punctate, some of the punctures in evident 

 rows. Abdomen shining, sparsely punctulate above, more coarsely beneath. 

 Length 7-9 mm. ' ' ' 



Throughout the State; common. April 11-Oetober 6. Occurs 

 in fleshy fungi. Our largest and broadest species. The first two 

 ventrals of both sexes are carinate between the hind coxas. 



T. picipci Erichs, uniform piceous, 7-8 mm. in length, occurs 

 from Canada to Virginia; T. :ichwarzi Horn, also piceous and 8 mm. 

 in length, has been taken at Detroit and iiejir Cincinnati; T. lim- 

 latus Melsh., 7-7.5 mm. in length, is known fi'om the Middle States 

 and near Cincinnati. 



854 (2626). Tachintjs pallipes Grav., yUm. Col. Micr., 1806, 20. 

 Piceous black, shining; legs, margin of thorax, liase and sides of elytra 



and four basal joints of antenna}, reddish-yellow. I-Iead and thorax finely 

 alutaceous, minutely and sparsely punctulate. Elytra slightly longer than 

 wide, finely but distinctly punctured, finely alutaceous. Abdomen more 

 finely punctured than elytra. Length 5-G mm. 



Throughout the State; common. February 21-()ctobcr 4. Oc- 

 curs beneath bark and on fungi. Also taken in numbers ]March 16 

 from beneath a mass of old hone.\'comb. 



T. circvmrinchis Makl., piceous, elytra chestnut brown, length 

 4.5 mm., is a boreal species recorded from IMichigan and Kansas; 

 T. nitidulo'ulcs Horn, piceous with sides of thorax and tips of elytra 

 paler, length 3 nmi., is said to be found from Canada to Maryland, 

 and is reported from Cincinnati by Dury. 



LXIII. TAOiiYPORTisGrav. ISOfi. (Gr., "swift -h to walk.") 

 Short, bi'oad, convex species havinj;- 1he abdonii'n abruptly taper- 

 ing and beset with bristly hairs. The males have the front tarsi 

 distinctly dilated, the sixth ventral triangularly notched and the 



