76 



BULLETIN 185, UJSttTElD STATES NiATHONAIj MUSEUM 



Bidessus— Continued. 



alternatus Reg. 89-384 Venezuela 



americanus Guign. 36-144 _Mexico 



apicatus Clark 62-184 ._Mexico 



Hispaniola 



atomarius Slip. 82-366 - ..Brazil 



bifasciatus Zimm. 21-197. Brazil 



Argentina 



boggianii Reg. 00-526 Paraguay 



bonariensis Steiiih. 69-249 Brazil 



Argentina 



borrei Shp. 82-346 ...Central America 



brasiliensis Reg. 95-328_ Brazil 



caraibus Chevr. 63-199 _Cuba 



celinoides Zimm. 21-197 Brazil 



centralis Shp. 87-753 Mexico 



chilensis Sol. 49-189 Chile 



T. del Fuego 



conieus Zimm. 21-196... Brazil 



corumbensis Zimm. 21-195 Brazil 



erassus Shp. 82-365 Brazil 



Argentina 



cruciatus Reg. 03-54 Argentina 



curticornis Reg. 03-54 Argentina 



curtulus Shp. 87-753 * I. Taboga 



* Is. Perlas 



curvilineatus Zimm. 21-195 Brazil 



delflni Reg. 99-1 ...Ecuador 



Argentina 



dilatatus Reg. 95-330 -Brazil 



discedens Shp. 82-19 Mexico 



discoidalis Shp. 82-369 South America 



duponti Aube 38-568 Brazil 



elongatus Shp. 82-25.. Guatemala 



flavofasciatus Steinh. 69-249 South America 



Argentina 



fragilis R6g. 00-530 Paraguay 



fryi Clark 62-421 Mexico 



germanus Shp. 82-20 M6xico 



Guatemala 



guatemalensis Zaitz. 10-223 Guatemala 



hydrovatoides Shp. 82-20 Mexico 



Guatemala 



knischi Zimm. 21-198 Brazil 



latifrons Shp. 82-22 Guatemala 



liliputanus Aub§ 38-591 Brazil 



lynceus Shp. 82-368.... ___M6xico 



Guatemala 



maculatus Bab. 41-16 ._ Panama 



Guiana 

 Brazil 



Argentina 



magensis Clark 62-182. Mexico 



melanocephalus R6g. 95-332 Brazil 



mexicanus Reg. 95-333_ Mexico 



microscopicus Zimm. 21-193 Brazil 



nitidus Bah. 41-14 Brazil 



miersi White 47-33 

 obscurus Bab. 41-14 



oberthiiri R6g. 00-526 ..Brazil 



obscuripennis Zimm. 21-198 ...Brazil 



obtusatus Reg. 95-336 .Guiana 



pulicaritis Shp. 82-364 Brazil 



Paraguay 

 obtusus Shp. 82-24.. M6xico 



Guatemala 



patagonicus Zimm. 23-35 Patagonia 



percosioides Reg. 00-525 Brazil 



Argentina 



persimilis Reg. 95-329 Mexico 



pescheti Zimm. 21-194 Brazil 



plaumamii Gschw. 35-152. Brazil 



plicatus Zimm. 21-198 Brazil 



pulicarius Aube 38-494 Brazil 



inconspicuus LeC. 55-200 U. S. A. 



pullus LeC. 55-290 ..Mfixico 



U.S.A. 

 quadrinotatus Shp. 82-21 Mgxico 



Guatemala 

 quadrisignatus Shp. 82-21 .Mexico 



Guatemala ■ 



rugulosus Guign. 36-146 . Mexico 



semistriatus Reg. 00-529 Brazil 



silvcstrii Rfg. 03-49 Argentina 



spretus Shp. 82-24.. Mexico 



Guatemala 

 subornatus Shp. 82-23 ..Mexico 



Guatemala 



subsignatus Zimm. 21-199 Brazil 



■ substriatus Shp. 82-22... Mexico 



subvittatus Zimm. 21-193... Brazil 



surinamensis R6g. 89-390.. Surinam 



testaceo-pictus R6g. 00-527 ...Brazil 



tibialis Reg. 85-337 Brazil 



trilineatus Zimm. 25-255 Brazil 



uruguensis Shp. 82-365 Brazil 



Paraguay 



Uruguay 



Argentina 



vittatipennis Zimm. 21-194 Brazil 



Hemibidessus Zimm. 21-196 

 plauraaimi Gschw. 35-19 ..Brazil 



HYDROPORINI 



Hygrotus Steph. 28-46 



Coelambus Thorns. 60-13 



inlacetus Clark 62-180 Mexico 



niedialis LeC. 51-209 .Mexico 



U.S.A. 



nubilus LeC. 55-293.. ...Mexico 



U. S. A. 



wardi Clark 62-177 Mexico 



Hydroporus Clairv. 06-182 



axillaris LeC. 55-292 Mexico 



humeratis LeC. 51-207 U. S. A. 



civicus Shp. 87-755 Mexico 



kingi Clark 62-178 Mfixico 



sericatus Say 31-445 Mfexico 



vilis LeC. 51-208 Mexico 



U.S.A. 

 Deronectes Shp. 82-418 



ai.'quiiioctialis Clark 62-178 Mexico 



nudata Say 34-444 Guatemala 



bifida Say 34-444 .Mexico 



corvina Shp. 87-754 Mexico 



decemsignata Clark 62-177... Mexico 



grammica Shp. 87-754 Mexico 



interjecta Shp. 82-29....'. ..Guatemala 



libens Shp. 82-29 Guatemala 



mexicana Shp. 82-447 Mexico 



nebulosa Shp. 82-29 Mexico 



* Panam& 



