82 Neiv York State College of Forestry 



Trepobates pictus (Herrich-Schseffer). 



This species and Rheumato'bates rileyi congregate by the thou- 

 sands upon Cranberry Lake and Oswegatchie River. It is very 

 variable in color and size, and occurs almost entirely in the apte- 

 rous form. One dealated specimen is at hand. 



Rheumatobates rileyi Bergroth, 



This insect is represented by many color variations, but there 

 does not seem to be any distinct color variety. 



Family V ELI I DAE 

 Microvelia borealis Bueno. 



Several specimens, taken at Barber Point. 



Microvelia buenoi Drake. 



Common, collected in Bean Pond (type locality) and in the 

 beaver meadow at Barber Point. \i lives near the shore in cpiiet 

 Avaters. 



Microvelia americana IJhler. 



This species is not very common and lives near the shore of 

 streams, lakes and ponds. Barber Point, Plains and Wanakena. 



Rhagovelia obesa Uhler. 



Occurs in the eddies of >Sueker Brook at Barber Point. 



Family SALDIDAE 



Pentacora ligata (Say). 



Common on stones jutting out of the water in Sucker Brook 

 in open sunny places at Barber Point. 



Salda coriacea Uhler. 



Proulx's Camp near Barber Point, July 22, PJ20. 



Saldula major (Pi'ovancher). 



Veiy common along small streams near Proulx's (^aiiip. 



Saldula confliienta (Say) (Fig. 33, a). 



Taken on a floating log near Barber Point and along a small 

 stream at Proulx's Camp. 



Saldula orbiculata (Uhler). 



Several specimens, taken along a small stream near Proulx's 

 Camp. T have also taken this insect on small ponds upon floating 

 aquatic plants scvcrnl feet from the sliore. 



Saldula interstitalis (Say). 



Vci-y common at Barber l*oint, Wanaiccna and Proulx's Camp. 



