202 FAMILY I-II. HALIPLIDJE. 



a a. Thorax with a small impressed fold on each side near base. 



f. Pale ochreous yellow; thoracic fold shorter; elytral spots several. 



more or less distinct. 387. ruficollis. 



//. Pale reddish-brown ; thoracic impression longer ; elytral spots very 

 ill-defined. 388. longulus. 



383 (1221). Haliplus triopsis Say, Trans. Amer. Phil. Soc, II, 1823, 106; 



ibid. II, 518. 



Ovate. Light brownish-yellow; suture, base, tip and seven slightly con- 

 nected spots on each elytron deep black, the middle spots confluent. Head 

 and thorax distinctly punctate; punctures of elytral strise finer toward 

 apex. Length 3.5 mm. 



Lake, Laporte and Marshall counties; frequent. May 25-Au- 

 gust 15. This is the species usually listed as H. punctatus Aube, 

 but that name, according to Blanchard, belongs to a more densely 

 punctate form from the Southern States. 



H. fasciatus Aube, with head finely punctate and thorax wholly 

 reddish-brown, is known from the "middle and Western States." 



384 (1224). Haliplus lewisii Crotch, Trans. Amer. Ent. Soc, IV, 1873, 



384. 



Smaller and more slender than triopsis. Head and thorax reddish-yel- 

 low without spots; elytra with base and suture black, and a broad black 

 spot on each side, confluent at middle. Punctures of elytral striae weak; 

 intervals very sparsely punctate. Length 2.5 mm. 



One from woodland pond near Broad Eipple, Marion County; 

 June 12. 



385 (1222). Haliplus borlalis Lee, Agass. Lake Sup., 1850. 212. 

 Ovate. Dull reddish-yellow ; thorax slightly dusky at apex ; elytra each 



with ill-defined basal line and five spots black, the one near humerus and 

 two on apical third rounded, the two on median third placed obliquely, each 

 double, composed of two partially connected oblong ones. Eyes very con- 

 vex. Head rather closely punctate. Length 3 mm. 



Laporte County; scarce. May 26-August 20. A species of 

 northern range. Resembles ruficollis but without the basal impres- 

 sions. 



386 (1225). Haliplus cribarius Lee, Agass. Lake Sup., 1850, 212. 

 Ovate. Dull brownish-yellow ; head and thorax paler and, in the speci- 

 men at hand, without black markings ; elytra each with five or six elongate, 

 more or less connected dark spots forming two oblique cross-bands. Head 

 finely punctate. Thorax deeply and coarsely punctate near the hind mar- 

 gin, more finely in front, the disk nearly smooth. Elytra with rows of deep 

 punctures ; intervals each with a single row of widely separated punctures. 

 Length 4.2 mm. 



A single specimen in the Wolcott collection taken near Pine, 

 Lake County. June 9. A member of the AUeghanian fauna. 



