82 FAMILY IT. — OARABID-^;. 



*101 (450). Tachys fLAVicAUDA Say, Trans. Amer. 

 Phil. Soc, II, 1823, 87; ibid. II, 502. 



Rather broad, feebly convex. Dark piceous or near- 

 ly black, the apical third of elytra yellowish; anten- 

 mie and legs reddish-yellow. ' Thqrax subqnadrate, one- 

 V half wider than long ; sides feebly curved, base trun- 

 ^ cate, a little wider than apex ; hind angles rectangu- 

 lar, not carinate. Elytra one-half wider than thorax, 

 the five inner strite moderately distinct. Length 1.5- 



Fig. 53. (Original.) 1.8 mm. (Fig. 53.) 



Throughout the State; frequent. January 6-Deeember 25. 

 Occurs beneath bark, especially that of elm and butternut. 



*102 (449). Tachys nanus Gyll., Ins. Suec, II, 1810, 30. 



Elongate, depressed. Black, shining, very finely alutaceous; autenure 

 piceous, the basal joints and tibi;ie and tarsi more or less reddish-brown. 

 Thorax subquadrate, about one-half wider than long, not wider at base 

 than apex ; sides rounded in f i*ont, slightly sinuate near base, hind angles 

 rectangular, not or but feebly carinate. Elytra subparallel, slightly wider 

 than thorax, the four or five inner strijie distinct, without punctures. 

 Length 2.2-8 mm. 



Throughout the State; common. January 10-November 20. 

 Occurs beneath bark and leaves. 



103 (462). Tachys gkanarilts Dej., Spec, V, 1831. 01. 



Robust, convex. Color variable, usually piceous or nearly black ; elytra 

 often more or less brownish and somewhat translucent, sometimes reddish- 

 brown, very shining; antenmie fuscous, the basal .joints and legs dull yel- 

 low. Thorax subquadrate, one-half wider than long; base truncate, hind 

 angles subrectangular with a short, fine carina; transverse impression near 

 base deep, finely puuctulate. Elytra one-third wider than thorax, dorsal 

 punctures small. Length 1.7-2 mm. 



Putnam County; scarce. March 5-October 10. Occurs beneath 

 stones and leaves on damp, wooded hillsides. 



*104 (461). Tachys incurvcs Say, Trans. Amer. Phil. Soc, IV, 1834, 440; 

 ibid. II, 554. 

 Elongate, moderately convex. Dark reddish-brown to nearly black, 

 shining ; the elytra with an indistinct pale yellow stripe reaching from 

 humerus nearly to apex, this often interrupted at middle; antennte fuscous, 

 the basal joints and legs dull yellow. Thorax quadrate, one-half wider 

 than long ; transverse impression near base, deep, finely punctate ; hind 

 angles x-ectangular, with a short carina. Elytra distinctly wider than 

 thorax, with only a moderately deep sutural stria, a second faint one often 

 visiiile. Length 1.7-2.5 mm. 



Thi'cugliout the State; common, .laiiuary 21-October 21. Oc- 

 curs beneath rubbish in open woodland and often in nests of ants. 



