Optioservus immunis, 17,44 



ovalis, 17,45 



ozcxrkensis y 13,17,44 



peaosensiSj 18,44 



quadrimaaulatus y 18,45 



sandevsoni, 13,18,44 



seriatuSj 19,45 



trivittatus J 18,19,44 



Ordobvevia, 19,61,62 



nubiferuj 19,28 



oregonensis (Aoneus)^ 23,51 

 ornata (Cleptelmis) ^ 14,35 

 Oulimnius^ 19,64 



latiusauluSj 19,41 



ovalis (Optioservus) , 17,45 

 osarkensis (Optioservus) j 13,17,44 

 parkeri (Cylloepus) ^ 14,40 

 parva (Stenelmis) , 21,31 

 parvula (Zaitzevia) , 21,28 

 pecosensis (Optioservus) ^ 8,44 

 PelonomuSj 3,22,56 



obscuruSj 22,46 



Phanocerus, 2,4,13,57 



ctavicomis, 13,26 



PhysemuSj 23 



minutus, 23,50 



Polyphaga, 1 



pvoduatus (Heliohus) J 22, Al 



Promoresiaj 19,42,63 



eleganSj 19,42 



tardella, 19,42 



Psephenidae. 1,2,23,26,55 



Psepheninae, 24 



Psephenus, 1,2,4,5,24,52,67 



haldemani^ 24,53, 



herriaki, 24,53 



murvoshiy '24,53 



texanus, 24,52 



Ptilodactylidae, 1,5,24,26,55 

 pusillus (Microaylloepus) J 16,40 



aptus (Miarocylloepus) J 16,41 



lodingi (Microcylloepus ) , 16,41 



perditus (Microcylloepus) , 13,16,41 



pusillus (Microoylloepus) J 16,41 



similis (Miarooylloepus) , 16,41 



quadrimaaulata ( Stenelmis ) , 21,33 

 quadrimaaulatus (Acneus), 23,51 



(Optioservus) y 18,45 



quadrinotata (Dubiraphia) , 15,37 

 RhizelmiSy 20,58 

 nigra J 20,34 



Sander soni (Optioservus) ^ 13,18, 



44 



(Stenelmis), 21,30 



SGUteltaris (Ste?ioaolus) , 24,54 

 seriatus (Optioservus) , 19,45 

 sexlineata (Stenelmis), 21,30 

 sexualis (Cylloepus) , 14 

 shoemakei (Elsianus) , 15,38 

 sinuata (Stenelmis) , 21,33 

 Stenelmis, 7,20,28,62 



antennalis, 20,32 



beameri, 20,30 



bieajcinata, 20,31 



catida calida, 20,28 



moapa, 20,28 



Gonoinna, 20,30, 



convexula, 20,34 



crenata, 20,30 



deoorata, 20,33 



douglasensisy 20,31 



exigua, 20,30 



exilis, 20,31 



fusaata, 20,32 



grossa, 20,31 



humerosa, 20,32 



hunger fordi, 20,32,33 



knobeli, 20,31 



lateralis, 20,30 



markeli, 21,34 



mera, 21,31 



miraJbilis, 21,32 



musgravei, 21,33 



parva, 21,31 



quadrirnaaulata, 21,33 



sandersoni, 21,30 



sexlineata, 21,30 



sinuata, 21,33 



vittipennis, 21,33 



Stenobolus, 24,56 



soutellaris, 24,54 



striatus foveatus (Helichus) , 22, 



49 



striatus (Helichus), 22,49 



suturalis (Helichus) , 22,49 

 tardella (Promoresia) , 19,42 

 texanus (Elsianus), 15,38 



(Psephenus), 24,52 



thermae (Zaitzevia) , 21,28 

 thermarum (Microoylloepus) , 16, 



40 

 Throscinus, 23 



81 



