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Mayflies (Insecta: Ephemeroptera) of Nevada, United States of America

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Mayflies (Insecta: Ephemeroptera) of Nevada, United States of America Check List 5(1): 122–132, 2009. ISSN: 1809-127X LISTS OF SPECIES Mayflies (Insecta: Ephemeroptera) of Nevada, United States of America W. P. McCafferty 1 R. P. Randolph 2 1 Purdue University, Department of Entomology. West Lafayette, Indiana. USA 47907. E-mail: [email protected] 2 University of California, Davis, Section of Evolution and Ecology. California, USA 95616. Introduction This report provides the first comprehensive list More important, we are also able to provide 115 of the species of mayflies that have been taken in new county records for 52 of the species, with the western U.S.A. state of Nevada. Of the only Esmeralda County of the 17 Nevada counties western states, Nevada has had the poorest (Fig. 1) not currently represented with mayfly documentation in terms of Ephemeroptera fauna, records. The study adds a geographically with only one or very few locales having been significant segment to the recent ongoing recorded for only 38 species. One obvious reason inventory and evaluation of the western North for this historical neglect is that although the state American mayfly fauna (e.g., McCafferty et al. is relatively large at 286,297 square kilometers, it 1993, 1997; Lugo-Ortiz and McCafferty 1995a; is the driest of all U.S.A. states, resulting in McCafferty and Randolph 1998; Randolph and relatively few permanent streams and severely McCafferty 2000, 2005; Lester et al. 2002; limiting the number of habitats available for McCafferty 2007d; Meyer and McCafferty 2007a, mayflies within its deserts. The Great Basin 2007b; McCafferty and Meyer 2007; McCafferty extends into part of the state mainly from Utah; and Newell 2007). While species numbers for much of western Nevada is in the rain shadow of Nevada are small compared to other western the Sierra Nevada Mountain Chain; mountains states [for example, Oregon has 148 known within Nevada tend to be highly isolated and species (Meyer and McCafferty 2007b)], there is alkaline flats are common. A preliminary survey now a more reasonable knowledge base from this of the mayflies from the Humboldt River (Fig. 1), geographic area for assessing the total ranges and which runs east to west in the high desert of the biogeography (including vagility over arid regions northern part of the state, represents the only or the relictual nature) of elements of the western previous faunistic study centered over part of mayfly fauna. Nevada (Baumann and Kondratieff 2000). The first mayfly reported from Nevada was the Collections where new records we report below common western species Siphlonurus occidentalis are located (and their acronyms) are as follows: (Eaton) (Eaton 1885). Banks (1924) added two Bureau of Land Management/Utah State species, and Traver (1935) added a fourth. All University National Aquatic Monitoring Center other species were added since 1958. BugLab, Logan, Utah (BLAB); California Academy of Sciences, San Francisco (CAS); Based on the study of very recent samples Cornell University Arthropod Collection, Ithaca, we have made and on older materials identified New York (CUAC); Purdue Entomological from six different collections (see below), we are Research Collection, West Lafayette, Indiana able to add records for another 30 species, (PERC); private collection of RPR (RPR); and bringing the total known Nevada mayfly fauna to Bohart Museum, University of California, Davis 68 species. (UCD). Species are presented alphabetically by 122 Check List 5(1): 122–132, 2009. ISSN: 1809-127X LISTS OF SPECIES family, genus, and species. Those newly reported **Ameletus falsus McDunnough. New data: for the state are double asterisked, and previously larvae, WHITE PINE COUNTY, Strawberry known species with additional new locale data are Creek, no other data, C. Murvosh (PERC). single asterisked. **Ameletus similior McDunnough. New data: larvae, WHITE PINE COUNTY, Baker Creek, at Baker Creek Campground, 2350m, 4-VII-2001, C. Brammer, J. MacDonald (PERC). **Ameletus sparsatus McDunnough. New data: adults, WASHOE COUNTY, near Steamboat, swarming over road, 25-V-1969, P. & N. McCafferty (PERC). **Ameletus velox Dodds. New data: larvae, DOUGLAS COUNTY, East Fork Carson River, upstream of dam near fish hatchery, 38°52.286' N, 119°41.542' W, 1536m, and West Fork Carson River, off Dresslerville Road, east of U.S. Highway 395, 38°52.01' N, 119°45.632' W, 23- III-2007, 1479m, P. Randolph (RPR). Baetidae *Acentrella insignificans (McDunnough). Previous data: Baumann and Kondratieff (2000): Humbolt River (no other data). New data: larvae, CLARK COUNTY, Moapa River, VI-1975, J. Priscu (PERC); larvae, ELKO COUNTY, creek above Angel Lake, near Wells, 29-VII-1968, R. Baumann (PERC); larvae, HUMBOLT Figure 1. The state of Nevada with counties and COUNTY, North Fork Little Humbolt River, 21- landmarks indicated. VI-2005 (BLAB); larvae, LINCOLN COUNTY, ——————————— Bull Valley Wash, 22-III-1983, G. Edmunds (PERC), and Meadow Valley Wash, 1-VI-1984, Annotated checklist of species C. Murvosh (PERC); larvae, LYON COUNTY, Ameletidae West Walker River, 14 miles south of Yerington, **Ameletus bellulus Zloty. New data: larvae, 22-IX-1957, G. Edmunds, R. Allen (PERC). ELKO COUNTY, Lamoille Creek, mouth of canyon, 12-VI-1987, B. Kimmel (PERC). **Acentrella turbida (McDunnough). New data: larvae, ELKO COUNTY, Copper Cr, 41.722, - **Ameletus celer McDunnough. New data: 115.519, 19-VI-2004, and Snow Canyon Creek, larvae, WHITE PINE COUNTY, Baker Creek, at 41.415, -116.053, 21-VI-2004 (BLAB). Baker Creek Trailhead, 2450m, C. Brammer, J. MacDonald (PERC). **Baetis bicaudatus Dodds. New data: larvae, CARSON CITY, unnamed stream along Highway **Ameletus doddsianus Zloty. New data: adults, 28, 2 miles north of Spooner Lake State Park, 1.5 LYON COUNTY, West Fork Walker River, at miles south of Washoe County line, Lake Tahoe Wilson Canyon, Highway 208 bridge, 38°48.52' Basin, 29°8.401' N, 119°55.455' W, 2153m, N, 119°13.312' W, 1447m, 23-III-2007, P. 25-III-2007, and waterfall at end of Kings Canyon Randolph (RPR). Road, 6-VI-2007, P. Randolph (RPR); larvae, 123 Check List 5(1): 122–132, 2009. ISSN: 1809-127X LISTS OF SPECIES ELKO COUNTY, Lamoille Creek, top of larvae, CARSON CITY, Carson River, at Lamoille Canyon, 19-IX-1957, and Bull Run Riverview Park, east end of 5th Street, and Clear River, near Deep Creek, 20-IX-1957, G Edmunds, Creek, on Old Clear Creek Road, 4 miles east of R. Allen (PERC); larvae, WASHOE COUNTY, U.S. Highway 50, 11-IX-2006, and Kings Creek, Incline Creek, 2 miles west of Mount Rose at Kings Canyon Road, 39°9.436' N, 119°48.229' summit, 21-IX-1957, G. Edmunds, R. Allen W, 1554m, and unnamed stream along Highway (PERC); larvae, WHITE PINE COUNTY, 28, 2 miles north of Spooner Lake State Park, 1.5 Lehman Creek, at Upper Lehman Creek mi south of Washoe County line, Lake Tahoe Campground, 2400m, 2-VII-2001, and at Wheeler Basin, 39°8.401' N, 119°55.455' W, 2153m, Peak Campground, 3000m, and at park boundary, 25-III-2007, and waterfall at end of Kings Canyon 1900m, 3-VII-2001, and Baker Creek, at park Road, 6-IV-2007, P. Randolph (RPR); larvae, boundary, 2130m, and at Baker Creek Trailhead, CHURCHILL COUNTY, Buffalo Creek, off 2450m, 4-VII-2001, and Baker Creek, at Grey Highway 722, 0.5 miles southeast of Eastgate, Cliffs Gate, 2160m, 14-VII-2001, and Baker 39° 18.119' N, 117°52.335' W, 1611m, and Dixie Creek, above cutoff trail, 2800m, and South Baker Valley Wash, just west of Shoe Tree, off U.S. Creek, below meadow, 2750m, 16-VII-2001, and Highway 50, 39°17.637’N, 117°59.527’W, Lehman Creek, on Wheeler Campground Trail, 1454m, 24-III-2007, P. Randolph (RPR); larvae, 2600m, 18-VII-2001, C. Brammer, J. MacDonald CLARK COUNTY, Carpenter Canyon, Spring (PERC), and Lincoln Creek, 27-VIII-1998, and Mountains, and Willow Creek, east slope Spring Pine Creek, 28-VIII-1998, and Snake Creek, Mountains, 30-V-1984, and Lost Creek, Spring 27-VII-2000, and Upper Strawberry Creek, Mountains, and Oak Creek, near Las Vegas, 7-X-1997, and Williams Creek, 27-VIII-1998 20-I-1984, C. Murvosh, and Virgin River, near (BLAB); adults and larvae, WHITE PINE Mesquite, 4-IV-1970, G. Edmunds, and 2-V-1981, COUNTY, Baker Creek, at Baker Creek P. McCafferty, A. Provonsha, D. Bloodgood Campground, 2350m, 2-VII-2001, C. Brammer, J. (PERC); larvae, DOUGLAS COUNTY, Haines MacDonald (PERC). Creek, 3 miles south of Genoa, 21-IX-1957, G. Edmunds, and East Fork Carson River, **Baetis flavistriga McDunnough. New data: upstream of dam near fish hatchery, 38°52.286' N, larvae, CLARK COUNTY, Virgin River, near 119° 41.542' W, 1537m, and West Fork Carson Mesquite, 2-V-1981, P. McCafferty, River, off Dresslerville Road, east of U. S. A. Provonsha, D. Bloodgood (PERC). Highway 395, 38° 52.01' N, 119°45.632' W, 1479m, and Double Springs, Leviathan Mine **Baetis magnus McCafferty and Waltz. New Road, Forest Service Road 52, off U. S. Highway data: larvae, CHURCHILL COUNTY, Buffalo 395, 38°47.844' N, 119°39.032' W, 1780m, and Creek, off Highway 722, 0.5 miles southeast of Walker River Canal, approximately 0.5 miles east Eastgate, 39°18.119' N, 117°52.335' W, 1611m, of Topaz Lake, 38° 41.740' N, 119°30.285' W, 24-III-2007, P. Randolph (RPR); larvae, CLARK 1543m, 23-III-2007, P. Randolph (RPR); larvae, COUNTY, Cold Creek, at old campground, ELKO COUNTY, Angel Lake Inlet, 12 miles Spring Mountains, 20-XII-1995, R. Nelson southwest of Wells, and Starr Creek, 2 miles south (PERC), and Warm Springs, Moapa Valley, of U. S. Highway 40, 23-IX-1957, and Arthur, 21-X-1989, G.
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