THE CRAWLING WATER BKF.TLI-N. 



203 



386)1 ( -). I-lALlPI.rS CR1BAKIUS SUBGUTTATUS LeC., MS. 



A dark variety of the preceding having the vertex black; the elytra 1 

 spots disconnected and more distinct. Length 4 mm. 



Pine, Lake County; May 12. This and cribariux were described 

 from Lake Superior. 



387 (1226). HALIPLUS RUFICOLLIS Deli.. Mem. IV, 1774. 404. 



Ovate. Head and thorax pale dull yellow with- 

 out spots; elytral spots larger than in borcalis, all 

 rounded, the two on median third often more or 1; 



less confluent. Apex of elytra not sinuate. Length 

 2.5-3 mm. (Fig. 102.) 



Pine and Hudson lakes, Laporte County; 

 ponds near Richmond; frequent. May 25- 

 August 20. Probably occurs throughout the 

 northern half of the State. 



3ss (1227). HALIPLUS LONGULUS Lee. (Crotch). 

 Trans. Amer. Ent. Soc., IV, 1S73. 

 385. 



Fig. 102. (Original.) 

 Line shows natural length. 



Close to rufleollis but more slender. Elytra with basal spot wanting; 

 the central spot dilated, triangular, the others indistinct. Length 3 mm. 



Pine, Lake County; Marion County, from pond near Broad 

 Ripple ; scarce. April 3-May 28. 



II. CNEMIDOTTS 111. 1802 (Gr., "wearing leg armor. ") 



Our members of this genus are a little larger and more robust 

 than those of Halt-plus. All have the thorax marked at base by 

 two round black dots, and the elytral rows of punctures more or 

 less irregular on basal third. Four nominal species have been 

 taken in the State. 



KEY TO INDIANA SPECIES OF CNEMIUOTUS. 



ti. Hind femora with a broad pale ring near apex; elytra distinctly oblique- 

 ly sinuate near tips. 



1>. Head entirely pale. Its!). 12-puivcTATi ,s. 



lib. Head with vertex black. 3!>0. EDENTIU,I s. 



an. Hind femora wholly dark brown or blackish. 



r. Elytra without a subhumeral spot ; median subsutiiral spot continent 



with the sutural line to form a discal blotch. 39L MUTICUS. 



cc. Elytra usually wilh a small subhumeral spot; median subsutiiral spot 



free or barely touching the sutural line. 392. PEDUNCULATVS. 



