THE TIGER BEETLES. 



31 



//. Color coppery or purplisli-greou ; front of head hairy; 

 elytra graiinlate-puiicttitc. 6. purpurea. 



( r. Thorax slightly or not at all narrowed behind; markings com- 

 plete or nearly so ; colors usually dull. 

 ./. Elytral markings quite broad, connected at margin ; humeral 

 lunule obli(ineIy prolonged backAvard; lai)rnm three-toothed; 

 larger. ]G-1S mm. 7. genehosa. 



/'/. Klytral markings narrower, less prominent, complete or in- 

 complete, not wholly connected at margin. 

 A'. Humeral lunule obliquely prolonged backward; middle band 

 not extended along the margin. S. vulgaris. 



AA. Humeral lunule C-shaped, not prolonged backward: mid 

 (lie band (except in 12-()iitt<ita) uku'c or less extended 

 along the margin. 

 /. I.abrum three-toothed: apical lunule bent forward and 

 inward. ".). ancocisconensis. 



//. I^ai»rum one-toothed; apic-il lunule nut Itent as above. 

 ;//. ^Marginal white line imt cMunected with humeral lunule. 

 thi" latter not bent iipwni'd at iidsterior end; tlnrrax 

 less hairy. 

 n. Elytral markings complete. 10. repanda. 



ini. Elytral markings broken into dots: fdViii broader and 

 tiatter. 11. 12-guttai'a. 



/«//(. Marginal white line connected with humeral lunule, the 

 latter bent upward at its hind extremity; tlH)vax 

 very hairy. 1-. iukikoi.uis. 



'/(/. I'sibescence beneath jirostrate or decimibent ; nnter m;irgin of 

 elytra in female angulate near a!)ex. 

 o. Elytra white with a few dark markings. I.^>. i.epida. 



no. Elytr;i cui»reous or bronze; markings comidete. 



14. CUPRASCKNS. 



'/'/. Under side of abdomen partly red. 



p. Elytra dark brown without a marginal white band, the luarkings 

 normal. 10. rufiventris. 



PI). Elytra greenish or fuscous with a wliite submarginal band. 



MARGINIPENNIS. 



1' (17). CiciNDELA UNiPUNCTATA Fab., Syst. Ent., 177."). 22.^). 

 Dull lirown, beneath dark blue; elytra rough with green 

 fovea and punctures, and with a triangular marginal white 

 dot. Length lG-18 nun. (Fig. 10.) 



Southern half of State ; frequent in Crawford aiul 

 Posey counties, less so in Vigo and Putnam. May 4- 

 September 5. Occurs singly or in pairs on bare spots 

 in upland woods and along woodland paths. Instead 

 of tl^'ing when alarmed, it often attempts to hide be- 

 neath leaves and stones, and can usually ])e readily 

 r-aptured with the hand. 



[3—23402] 



