SELECTED WATER 

 RESOURCES ABSTRACTS 



INPUT TRANSACTION FORM 



1. Report No. 



4. Title BIOTA OF FRESHWATER ECOSYSTEMS IDENTIFICATION MANUAL 

 NO. 6 Aquatic Dryopoid Beetles (Coleoptera) of the United 

 States, 



7. Author(s) 



Brown, H. P. 



9. Organization department of Zoology 



The University of Oklahoma 

 Norman, Oklahoma 



12. Sponsoring Organization 

 15. Supplementary Notes 



3. Accession No. 



w 



5. Report Date 



6. 



S. Performing Organization 

 Report No. 



10. Project No. 



18050 ELD 



11. Contract/Grant No. 

 14-12-894 



IS. Type of Report and 

 Period Covered 



16. Abstract An illustrated key is given for all known species of adult dryopoid 

 beetles of the United States which have aquatic stages and might be 

 useful as indicators of water quality. A key is also given to the 

 genera of larvae. For each species the known habitat and range are 

 given. Life histories are briefly outlined and methods for collection, 

 preservation, storage and identification are suggested. Two new 

 species, Optioservus ozarkensis Collier and Optioservus sandersoni 

 Collier, are described. The genera included in the keys are: 

 C\\elonaTii6.a.e --Chelonarium; Elmidae--Tribe LariniiLarCj Phanoaerus; 

 Tribe Elmini: Ampumixis, AncyronyXj Atraatetmis , Cleptelmis, Cylloepus, 

 Dubivaphia, Elsianus, Gonielmis, EeteveVnis, HeterlimniuSj Eexaaylloepus ^ 

 Maaronyohus, MioroaylZoepuSj Narpus, Neoayltoepus^ Heoelmis, 

 OptioservuSj Ordobrevia, Oulimnius, Promoresia, Rhizetmis, Stenelmis, 

 Zaitzevia; Dryopidae--£'rn/opSj Reliahus, Pelonomus; Limnichidae-- 

 Limnichinae: Lirmiahus, Lutrochus, Physemus; Cephalobyrrhinae: 

 Throsoinus; Psephenidae--Eubriinae: Aaneus, Diaranopselaphus, Eatopria; 

 Eubrianacinae: Eubrianax; Psepheninae: Psephenus; Ptilodactylidae-- 

 Anahycteis, Anohy tarsus , Stenoaolus. The bibliography includes 

 selected references in addition to the literature cited. 



/7a. Descriptors *Aquatic fauna, *Insects, *Water beetles, *United States, Preservation, 

 Distribution, 



/7fi. /den(;^ers*i(jentification Manual, *lllustrated Key, *Coleoptera, *Dryopoidea, 

 Collection, 



nc.COWRR Field & Group 



IDA 



IS. Availability 



19. Security Class. 

 (Report) 



20. Security Class. 

 (Page) 



21. No. of 

 Pages 



22. Price 



Send To: 



WATER RESOURCES SCIENTIFIC INFORMATION CENTER 

 US. DEPARTMENT OF THE INTERIOR 

 WASHINGTON, D, C 20240 



Abstractor Harley p. Brown 



{institution The University of Oklahoma 



WRSIC 102 (REV JUNE 1971) 



o U. S. GOVERNMENT PRINTING OFFICE : 1972 O - 467-252 



