446 FAMILY XI. STAIMIVI.IXID.E. 



852 (2620). Taciiim s muidis Erk-lis., Gen. Spec. Staph., 1840, 920. 

 Head lihick: Ici^s. sides of thorax, basal two-thirds, sides aud tip of 



elytra dull yellow: auteima; 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. si)arsely and finely punctate. Abdomen 

 punctured as elytra, almost smooth beneath. Length 5-5.0 mm. 



Laportp Connty : rare. IMay 7. 



853 (2021). 'J\\(iiiMS FiMiiKiATis (irav., .Moii. Col. Micr., 1S0<), 191. 

 Head aiul tlmrax Mack, sliining; elytra pale chestnut brown, tip nar- 

 rowly piccoiis: aiitcpiia' lihuk. four basal .joints and the last one pale; ab- 

 (lonit'H. uiHlcr surface and Ic-s piceous. Head and thorax finely alutaceous, 

 minutely punctate. Elytra to.gether as wide as long, minutely alutaceous, 

 rather coarsely and ii-regularly jiunctate, some of the punctures in evident 

 rows. Abdomen shining, si)arseiy punctulafe above, more coarsely lieneath. 

 Length 7-9 mm. 



Thi-oiielioiit llic State; c(tmiiioii. April ll-Oct()l)er G. Occurs 

 ill fleshy fungi. Our largest aiul broadest species. The first two 

 ventrals of both sexes are cai'iiiate between the hind coxse. 



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

 from Canada to Virginia; T. .^chtrarzi Horn, also piceous aud 8 mm. 

 in length, has lieen taken at Detroit and near Cincinnati; T. lirn- 

 hntns IMelsh., 7-7.5 mm. in length, is known fi-om the Middle States 

 and near Cincinnati. 



854 (2626). Tachinus pallipes Grav., Mon. Col. Micr., 1806, 20. 

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



and four basal joints of antenna?, reddish-yellow. Head and thorax finely 

 alutaceous, minutely and sparsely inuictulate. Elytra slightly longer than 

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

 finely punctured than elytra. Length 5-0 nnn. 



Throughout the Stat(>; common. Pei)rnary 21-October 4. Oc- 

 curs beneath bark and on fungi. Also taken in numbers ^larch 16 

 from beneath a mass of old honeycomb. 



7'. circumcinvfns MakL, piceous, elytra chestnut brown, length 

 A.'y nun., is a borenl species recoi-ded I't'om ^lichigau and Kansas; 

 7'. nil nUilonl, s Ijoiu, piceous with sides of thorax aiul (i[)S of elytra 

 paler, leiiglh o nun., is said to be found from Ca-iuida to Maryland, 

 and is rejjorted from Cinciiuiali by Dury. 



LXlli. Taciivi'okm-s Grav. isoi;. ((!r.. "swift ! to walk.") 



Slioi'1. hniad. c(in\e.\ species lia\ ing llie alidKiiieti ahi'Uptly t;iper- 

 ing and beset with lirislly haii-s. The males have tin; front tarsi 

 distinctly dilated, the sixth ventral t i-iaugulail\- notched and the 



