44 J. L. LECONTE, M. D. 



Prothorax longer than wide, nearly elliptical, sides narrower and strongly 

 reflexed ; ochreous, finely pubescent ; antennae, mouth organs, two pro- 

 thoracic spots and a medial oval fovea, legs and abdominal spots black; 

 elytra punctured, each with a small black spot behind the middle, which is 

 frequently wanting. Length 11 — 14 mm.; Texas 2. discus. 



4. — Black, prothorax and elytra yellow ; the former wider than long, sides strongly 

 and widely reflexed ; disc with an angulated black transverse spot ; scutel 

 black ; elytra punctured, with a black basal spot, and another behind the 

 middle, extending from the side almost to the suture ; sixth and seventh 

 abdominal segments above and below spotted with black. Length 10 — 

 12 mm.; Utah ?,. Tasciatiis n. sp. 



5. — Elytra with a large apical black spot, not margined with yellow 6. 



Elytra with the entire margin yellow 7. 



6. — Disc of prothorax opake black, margined with yellow; elytra with part of 

 suture and sometimes triangular common basal spot, abdomen ( 9 ) yellow, 

 last segments spotted with black. Length 11 mm.; Texas; N. Mex. ; Col. 



4. liinbicollis. 



Disc of prothorax smooth, shining yellow, with a large black spot, sometimes 



reduced to three small dots; abdomen yellow, banded and spotted with 



black in 9? last segment only dusky or black ia 'J,, and finely sparsely 



punctulate. Length 9— 11 mm. ; Col.; Utah 5. basalis. 



7.— Antennte with third joint more than twice as long as second; head entirely 



black ; 9. 



Antennoe with third joint twice as long as second; head yellow with black 

 spots 12. 



9. — Elytra with basal black spot 10. 



Elytra with base entirely yellow 11. 



10.— Basal spot of elytra triangular; posterior spot one-half the length of the 



elytra. Length 9— 1.3 mm.; Texas 6. Scutellaria. 



Basal spot of elytra transverse; posterior spot three-fourths the length of the 

 elytra. Length 9 mm. ; New Mexico 7. LiCwisii. 



IL— Prothorax not wider than long, disc opake black, narrowly margined with 

 yellow, sides more narrowly reflexed. Length 10 mm. ; Ariz. ..8. opacus. 

 Prothorax wider than long, margin more widely reflexed, opake yellow, with 

 a transverse discoidal spot; elytra with a black spot, which is sometimes 

 small and posterior, and sometimes covers nearly the whole surface. Length 

 9—11 mm.; N. Y. ; Mo.; Ga. ; Tex 9. |»ens.vlvauicus. 



12. — Prothorax longer than wide, opake yellow, with a broad black (busal stripe, 

 sides very narrowly margined; elytra with discoidal spot sometimes ex- 

 tending nearly the whole length, sometimes wanting. Length 8—11 mrji.: 

 N. Y.: F'la 10. marginatum. 



Tribe 2. — •Telephorini. 

 Excluding Omethcs. as above indicated, I have no improvement to 

 suggest to the table of groups I have already given, Classification p. 187 : 

 Elytra covering the wings; gular sutures confluent: prothorax truncate in front; 



head entirely exposed Podabri. 



Elytra covering the wings; gular sutures sei)arate ; protliorax rounded in front; 



head partly covered Telephori. 



Elytra abbreviated, wings ex]>osed : gular sutures confluent Malthmi. 



