88 Journal New York Ent. Soc. [Vol. ii. 



Tetracha. 



T. Carolina Z., Fig. i. — Light gold-green; tip of abdomen, 

 apical lunule of elytra, legs and antenn;\i liiteous ; thorax smooth ; 

 elytra coarsely punctured, purple at the middle, margin bright 

 green. I-ength, 30 mm. = .80 inch. 



Habitat, So. 111., and generally throughout the southern and 

 south-western states. 



T. virginica Z. — Dark gold-green; last ventral segment, 

 legs and antenni^ ferruginous ; thorax smooth ; elytra more 

 coarsely punctured than in Carolina, black at middle, broad lateral 

 margin metallic green, without lunule. Length 20 — 24 mm. = .So 

 — .96 inch. 



Habitat, So. N. J., Pa., So. Ohio, Ind., Ky. and throughout the 

 southern states. 



These two species are nocturnal in their habits, hiding during 

 the day under chips and stones. The larva lives in holes in the 

 ground, at the entrance to which it lies in wait for prey. 



Cicindela. 



Synopsis of species. 



Ilumeial angles wanting, wingless. 



.Sericeous biown with imperfect wliite markings . . . celeripes. 



* 

 * * 



Humeral angles distinct, winged species. Underside unicolorous 



metallic blue or green. 

 Thora,\ llatlened, elytra flat. 



Dull brown ; underside glabrous ; elytra roughly 



foveate and punctured with marginal dot while unipunctata. 

 Underside hairy ; elytra with humeral, posthumeral 

 and anteapical dot and reclivate nearly trans- 

 verse middle band dull brown . . . longilabHs. 

 Green with humeral lunule nearly or quite complete, 7'(i'/-.perviridis. 

 Thorax convex, not margined, narrowed behind, elytra convex; 

 Maiginal markings ; (scutellaris varieties). 



Surface green with posthumeral marginal dots and apical 



lunule sometimes wanting . . var. rugifrons. 



Surface black with same dots .... 7w/-. modesta. 

 Surface purplecupreous with same dots sometimes confluent 



at margin znir. Lecontei. 



Normal markings, tiie humeral often bioken or wanting: 

 Front striate, glabrous ; elytra strongly punctured ; 



Green with marginal apical and anteapical and some- 

 times a discal dot sexguttata. 



Green with same dots also humeral and posthum- 

 eral dots and a middle band . . vnr. patruela. 



