ELLIOTT ET AL.: THE CAVE FAUNA OF CALIFORNIA 
237 
Limonius pictus Van Dyke 
Record: Siskiyou Co.: Trail Junction Cave. 
Bibliography: Graening (2011c). 
Family Elmidae (riffle beetles) 
Microcylloepus similis Horn (Amargosa riffle beetle) 
Record: Inyo Co.: Sponge Cave. 
Family Histeridae (clown beetles) 
Undetermined 
Records: Fresno Co.: Bear Den Cave. San Bernardino Co.: Cave of the Winding Stair. 
Geomysaprinus laramiensis (Casey) 
Record: Calaveras Co.: Porcupine Cave 
Geomysaprinus (Priscosaprinus ) ?n. sp. (troglophile) 
Record: San Bernardino Co.: Mitchell Caverns. 
Comment: Most of the specimens were found in the caverns. Most species of the genus breed in animal burrows. 
Bibliography: Aalbu (1990). 
Hister sp. 
Records: San Bernardino Co.: Medicine Cave; Mitchell Caverns. 
Comment: This belongs to the Hister comes Lewis complex, comprising several undescribed species. 
Bibliography: Graening (2010). 
Margarinotus umbilicatus (Casey) 
Record: Tuolumne Co.: Porcupine Skull Cave. 
Saprinus alienus LeConte 
Record: San Bernardino Co.: Mitchell Caverns. 
Bibliography: Aalbu (1990). 
Saprinus discoidalis (LeConte) 
Record: San Bernardino Co.: Mitchell Caverns. 
Comment: Four specimens were trapped in the caverns. This species is usually found on carrion and is widespread in 
deserts in North America. 
Bibhography: Aalbu (1990). 
Family Hydrophilidae (water scavenger beetles) 
Undetermined 
Record: Amador Co.: Moss Cave. 
Record: Tulare Co.: Lilbum Cave. 
Hydrophilinae 
Cymbiodyta punctatostriata Horn 
Record: Tuolumne Co.: McLean’s Cave. 
Comment: This species is limited to California. 
Family Lampyridae (fireflies) 
ILampyris sp. 
Record: Calaveras Co.: Heater Cave. 
Comment: This is a tentative identification of a single larva. 
