195 

 Usinger: Hemiptera 



rv»« w^j 



u 



,.t». 



Fig. 7:9. Palae of California species of Corixidae, diagrammatic; showing shape and also position and number of pegs. 

 See figure 7:3, c and e, for characteristic arrangement of bristles, a, Tricbocorixa verticalis (Fieber); b, T. reticulata 

 (Guerin); c, T. uhleri (Sailer); a 1 , T. ca/va (Say); e, Corisella inscripta (Uhler); f, C. tarsalis (Fieber); g, C. decolor Uhler; 

 h, C, edulis (Champion); /', Sigara nevadensis (Walley); /', S. mckinstryi Hungerford; k, S. omani (Hungerford); /, S. grosso- 

 lineata Hungerford; m, S. vandykei Hungerford; n, S. alternata (Say); o, S. wash;'ngfonens/s Hungerford; p, Hesperocorixa 

 vulgaris (Hungerford); <J, H. laevigata (Uhler); r, Call icorixa audeni Hungerford; s, C. vulnerata (Uhler); t, Graptocorixa 

 californica (Hungerford); u, G. uhleri (Hungerford); v, G. abdominali s (Say); w, G. uhleroidea (Hungerford); x, G. serrulata 

 (Uhler); y, Cenocorixa andersoni Hungerford; z, C, bifida (Hungerford); aa, C. utabensis (Hungerford); bb, C. blaisdelli 

 (Hungerford); cc, C. kuiterti Hungerford; dd, C. wileyae (Hungerford). 



