AMERICAN COLEOPTERA. 141 



Female. — Anterior and middle tarsi less dilated than in the male, the first three 

 joints pubescent, the fourth somewhat spongy. Anal segment bisetose each side. 

 Occurs in the Gulf States from Florida to Texas. 



C. decora ...Fab. — Form slender, body beneath bicolored. above, head and 

 thorax green or blue, thorax yellowish-red. Legs yellow, the tips of the femora 

 and tarsi piceous. Antennae piceous, three or four basal joints testaceous. Head 

 smooth, front arcuately impressed each side and slightly rugose. Thorax as broad 

 or a little broader than long, widest in front of middle, sides arcuate in front, 

 slightly sinuate posteriorly, the angles rectangular sometimes slightly prominent, 

 lateral margin narrow, equal from base to apex, narrowly reflexed, disc moderately 

 convex, median line impressed, surface nearly smooth, a few punctures along the 

 apical and lateral margins. Elytra oblong, sides feebly arcuate, striae very fine 

 and finely punctured, intervals very flat and finely sparsely punctulate, dorsal 

 punctures as in planulata. Body beneath smooth, the head and abdomen piceous, 

 the remainder of the body yellowish-red. Length .28 — .34 inch; 7 — 8.5 mm. 



Male. — The first three joints of the anterior tarsi are biseriately lamellate be- 

 neath, the fourth somewhat spongy, the middle tarsi with first joint setose, second 

 and third lamellate, fourth spongy. Anal segment bipunctate each side. 



Female. — Anterior and middle tarsi more slender than the male and pubescent 

 beneath. Anal segment trisetose each side. 



This species closely resembles punctata but has a wider thorax with 

 a more distinct margin. The impressed tarsi will also distinguish the 

 present species. 



As synonyms of this species I place cordicollis Putz. described from 

 Mexico and cyanoptera Lee. from Texas, these two are certainly the 

 same and differ from decora merely in having the elytra more blue. 

 Occurs in the Gulf States and Mexico. 



C punctata Lee — Form slender, colored as in decora. Head and antennas 

 as in decora. Thorax not longer than the head, a little longer than wide, widest 

 a little in front of middle, sides arcuate, slightly sinuate posteriorly, the hind 

 angles obtuse, lateral margin extremely narrow, disc convex, median line dis- 

 tinctly impressed, surface transversely wrinkled, a few punctures near the apex. 

 Elytra oblong gradually broader posteriorly, surface finely striate, striae punctate, 

 intervals flat, obsoletely sparsely punctate. Body beneath and legs as in decora. 

 Length .28— .30 inch; 7 — 7.5 mm. 



Male. — Anterior tarsi dilated, first three joints biseriately squamulose beneath, 

 the fourth nearly naked, middle tarsi less dilated the first joint hairy beneath, 

 second and third squamulose, fourth spongy. Anal segment bisetose each side. 



Female. — Tarsi less dilated than in the male, with stiff hairs beneath. Anal 

 segment bipunctate each side. 



This species closely resembles decora but the thorax is much narrower 

 and the margin extremely narrow. I see no reason why Chaudoir pre- 

 ferred to compare it with smaragdina (— purpurea). 

 Occurs in Michigan, Ohio, Louisiana and Kansas. 



C fulgida Dej. — Form moderately elongate, color bright metallic greenish- 

 blue. Antennae piceous, first three joints and the basal half of the fourth testa- 

 ceous. Head nearly smooth, front with a vague impression each side and slightly 



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