THE GROVND I'.KKTLKS. 97 



134 (571). PTKHO.STH'IH'S coi:\ 1 \ i ,-, IH-.J.. Spec. III. ISL'T, 2X1. 



Elongate, more robust. Black, antenna^ and tarsi piceous. Thorax 

 rather short, sides rounded, not sinuate, hind angles very slightly promi- 

 nent or subobtuse; basal impressions very deep, sparsely and coarsely 

 punctured. Klytral stria- d'-t-p. nut <u \cr.v finely punctured. Length 

 13.5-15 nnn. 



Frequent about the margins of lakes in the northern half of 

 the State; not yet 'taken in the southern half. May 5-October 29. 



135 (572). I'TKKOSTK'Hi's HALDEMANI Lee.. Ann. Lye. Nat. Hist.. IV. 1848, 



341. 



Oblong, very robust, subdepressed. Black, elytra not shining; an- 

 tenna? and tarsi piceous. Thorax a little broader than long, narrowed be- 

 hind, sides scarcely sinuate, basal impressions not punctured. Elytral 

 striae narrow, deep, not punctured; intervals convex. Length 22-24 mm. 



A southern form, rare in Indiana. Two specimens from mar- 

 gins of cypress swamp. Knox County. April 23-May 25. This 

 species and the next two were formerly classed under the genus 

 Lophoglossus Lee., distinguished by the ligula being obtusely cari- 

 nate for its whole length. They also have the thorax strongly re- 

 flexed, gradually wider behind, the front transverse line deep, dis- 

 tant from margin, the hind angles obtuse ; dorsal punctures three. 



13(5 (573). PTEBOSTICHUS TAKTAUICTS Say, Trans. Amer. Phil. Soc., II, 

 1823, 44; ibid. II, 469. 



Oblong, depressed. Black, shining, antenna 1 , tibia- and tarsi piceous. 

 Thorax with sides distinctly sinuate towards the base. Elytral stria? finely 

 and indistinctly punctate, intervals subconvex. .Male with sulmpical tooth 

 in inner surface of middle tibia- short, obtuse ; the apical process large, 

 acute. Length Ki-20 mm. 



Throughout the western half of the State, common ; especially 

 so in sandy localities near water. Hibernates. April 17-Decem- 

 ber 28. 



137 (574). I'TKKosTirm s sciu TATOK Lee.. Ann. Lye. Nat. Hist.. IV, 1X48, 

 342. 



Oblong, depressed. Black, very shining; legs and antenna- piceous. 

 Hind angles of thorax less prominent than in turtariciiN and elytra! stria- 

 differing as mentioned in key. Male with suhapiral tooth of middle tibia- 

 long and sharp; the apical process not distinct. Length 15-1(5 mm. 



Cass County; rare. September 15. Two specimens taken by 

 Dr. Robert Hessler from a ditch dug about a burning peat bog near 

 Royal Center. 







