Osobenus yakimae (Hoppe)

Sandberg, John, Kondratieff, Boris C. & Verdone, C., 2015, Descriptions Of The Adult Male And Female Genitalia Of The Genus Osobenus Ricker (Plecoptera: Perlodidae), Illiesia 11 (1), pp. 1-7 : 3-6

publication ID	https://doi.org/10.5281/zenodo.4760511
publication LSID	lsid:zoobank.org:pub:BB6B4B61-1A8C-4F30-94FE-A7987020E1B6
DOI	https://doi.org/10.5281/zenodo.4765229
persistent identifier	https://treatment.plazi.org/id/192E190C-FF88-5400-FEC6-3506C62FFDBC
treatment provided by	Felipe (2021-05-14 03:33:48, last updated 2024-11-29 02:13:04)
scientific name	Osobenus yakimae (Hoppe)
status

Treatment

Osobenus yakimae (Hoppe) View in CoL

Figs. 1-17 View Fig View Figs View Figs View Figs View Fig View Fig .

Perla yakimae Hoppe 1938:150 .

Isogenus (Osobenus) yakimae: Ricker, 1952:118 View in CoL .

Isogenus (Osobenus) yakimae: Jewett, 1955:148 View in CoL .

Isogenus (Osobenus) yakimae: Jewett, 1959:68 View in CoL .

Isogenus (Osobenus) yakimae: Jewett, 1960:155 View in CoL .

Osobenus yakimae: Illies, 1966:373 View in CoL .

Osobenus yakimae: Zwick, 1973:235 View in CoL .

Material Examined. CALIFORNIA: Amador Co., Cosumnes River, Hwy 49 bridge below North & Middle Forks Cosumnes Rivers confluence, 14 May 2011, J. Sandberg, 1♀ ( JBSC) ; Butte Co., Big Chico Creek, Big Chico Creek Ecological Reserve , 24 May 2009, J. Sandberg, B. Richards, 18♂, 21♀ ( JBSC) ; Big Chico Creek, Big Chico Creek Ecological Reserve , 27 April 2010, B. Kondratieff, R. Baumann, & J. Sandberg, 1♂ ( CSUC) ; Nevada Co., South Yuba River, I-80, Cisco Grove , 22 June 2009, B. Kondratieff & R. Baumann, 4♂, 2♀ ( CSUC) ; Placer Co., Truckee River, Hwy 89, Silver Creek Campground, 24 June 2009, B. Kondratieff & R. Baumann, 5♂, 3♀ ( CSUC) ; Siskiyou Co., Butte Creek, USFS 44N15Y crossing off Deer Mountain & Tenant Rds. , 7.9 km S Hwy 97, 23 June 2013, J. Sandberg, B. Kondratieff, 2♀ reared ( JBSC) ; McCloud River, Falls of McCloud River , 25 May 2007, B. Kondratieff & R. Baumann, 2♀ ( CSUC) ; McCloud River, Lower Falls Picnic Area, off Hwy 89, 23 May 2013, J. Sandberg, B. Kondratieff, 1♂, 1♀, 1 larva ( JBSC) ; McCloud River, Lower Falls Picnic Area, off Hwy 89, 23 May 2014, B. Kondratieff, J. Sandberg, B. Stark, & C. Verdone, 8♂, 11♀ ( CSUC) , 5♂, 7♀ ( JBSC) ; Yuba Co., Yuba River, Hammon Grove Park , Hwy 20, 25 April 2010, B. Kondratieff & R. Baumann, 5♂, 10♀ ( CSUC) .

Additional Material. CALIFORNIA: Del Norte Co., Klamath River, Hwy 169. Klamath Glen , 41° 30’N 123° 60’W, 8 June 2005, R. Baumann & B. Kondratieff, 1♂, 1♀ ( BYUC); GoogleMaps El Dorado Co., South Fork American River, Hwy 49, Coloma , 38° 49’N 120° 54’W, 29 April 2010, R. Baumann & B. Kondratieff, 1♀ ( BYUC); GoogleMaps Lake Co., Anderson Springs (light), 26 March 1955, R. Leuschner, 1♂ ( BYUC); GoogleMaps Placer Co., Truckee River, Hwy 89, 1 mi. S Truckee, 19 June 1985, R. Baumann, C. Nelson & M. Whiting, 6♂, 4♀ ( BYUC); GoogleMaps Truckee River, Hwy 89, Goose Meadow Campground , 24 June 2009, R. Baumann, B. Kondratieff & S. Szczytko, 1♂, 2♀ ( BYUC); GoogleMaps Truckee River, Hwy 89, Silver Creek Campground , 24 June 2009, R. Baumann, B. Kondratieff & S. Szczytko, 6♂, 6♀ ( BYUC); GoogleMaps Sacramento Co., Cosumnes River , Michigan Bar , 13 May 1984, R GoogleMaps . L. Bottorff, 11♂, 9♀ ( BYUC); Shasta Co., North Fork Battle Creek, Hwy A-6, S Shingletown , 31 May 1991, R. Baumann & B. Stark, 5♂, 1♀ ( BYUC); Hat Creek, Lassen National Forest , 24 June 1961, S. Wood, J. Karren & D. Bright, 7♀ ( BYUC); Tehama Co., Mill Creek , Big Bend , 10 July 1993, R.W. Rockwell, 1♂, 1♀ ( BYUC); Yuba Co., Yuba River, Hwy 20, Hammon Grove Park , 28 April 2010, R. Baumann & B. Kondratieff, 2♂, 1♀ ( BYUC) . OREGON: Deschutes Co., Deschutes River, Dillon Falls , 8 mi S Bend, 18 June 1975, N. Anderson, 1♂, 1♀ ( BYUC); Marion Co., North Fork Silver Creek, Upper North Falls, Silver Creek State Park , 13 June 2004, R. Baumann & B. Stark, 1♀ ( BYUC); Tillamook Co., Wilson River, Hwy 6, 10 mi SE Tillamook, 12 June 2005, R. Baumann & B. Kondratieff, 3♂, 3♀ ( BYUC) . WASHINGTON: Chelan Co., Wenatchee River, Cashmere, 10 July 1936, H.H. Ross, 1♀ ( INHS); King Co. , Cedar River , Cedar Falls , 24 June 1972, J. Malick, 1♂; Lewis Co. , Chehalis River , Hwy 6, Rainbow Falls State Park , 13 June 2005, R . Baumann & B. Kondratieff, 1♂, 4♀ ( BYUC).

Descriptions: Male. Pale yellowish brown in color, head with obscure brownish marking, pronotum with a broad yellow stripe ( Fig. 1 View Fig ). Tenth tergum deeply cleft, hemitergal lobes elongate, narrowly rounded at apex, bearing ribbed peg-like sensilla basiconica and trichoid sensilla ( Figs. 2–3 View Figs ). Lateral stylets absent. Epiproct, large, bulbous, triangular in shape ( Figs. 4, 5 View Figs , 10–13 View Figs ). Ventral sclerite brown, strap-like, terminating in downturned spine in repose ( Figs. 4 View Figs , 6–8 View Figs , 12 View Figs ); dorsal sclerite brown, terminating between two external patches of stout spinulae and continuing internally to form a coiled sac ( Figs. 6 View Figs , 10–12, 14 View Figs ); laterally covered by dense hairs ( Figs. 4–7 View Figs View Figs ). Epiproct with a wide opening on dorsal surface located behind external paired patches of 6-7 spines each ( Figs. 6–9 View Figs ) arising from two longitudinal membranous swellings; opening internally connected to a coiled sac with two basolateral patches of internal spines ( Fig. 15 View Figs ). Female. Subgenital plate parabolic ( Fig. 16 View Fig ). Egg. Typical of the Diploperlini , oval shape, medially with raised ridge, cross section semicircular ( Fig. 17 View Fig ). Chorion with visor-like extension covering collar ( Fig. 17 View Fig ), chorion with dense punctations, visor coarsely punctate ( Fig. 17 View Fig ).

References

Hoppe, G. N. 1938. Plecoptera of Washington. University of Washington Publications in Biology, 4: 139 - 174.

Illies, J. 1966. Katalog der rezenten Plecoptera. Das Tierrech. 82. Walter de Gruyter, Berlin, Germany. 632 pp.

Jewett, S. G., Jr. 1955. Notes and descriptions concerning western North American stoneflies

Jewett, S. G., Jr. 1959. The stoneflies (Plecoptera) of the Pacific Northwest. Oregon State Monographs. Studies in Entomology, 3: 1 - 95.

Jewett, S. G., Jr. 1960. The stoneflies (Plecoptera) of California. Bulletin of the California Insect Survey, 6: 125 - 177.

Ricker, W. E. 1952. Systematic studies in Plecoptera. Indiana University Publications, Science Series, Number 18: 1 - 200.

Zwick, P. 1973. Insecta: Plecoptera. Phylogenetisches system und katalog. Das Tierreich, 94. Walter de Gruyter, Berlin, Germany. 465 pp.

Figures

Fig. 1. Osobenus yakimae ♀, habitus, Amador Co., California, Cosumnes River, 14 May 2011.

Figs. 2–5. Osobenus yakimae ♂, Siskiyou Co., California, McCloud River, 23 May 2014. 2. Hemitergal lobe, dorsolateral. 3. Sensilla basiconica and trichoid sensilla of hemitergal lobe. 4. Epiproct everted, ventral surface, dorsal. 5. Epiproct everted, ventral surface, dorsolateral.

Figs. 6–9. Osobenus yakimae ♂, Siskiyou Co., California, McCloud River, 23 May 2014. 6. Epiproct everted, posterior. 7. External spinule processes, lateral. 8. Epiproct everted, lateral. 9. External spinule processes, lateral.

Figs. 10–15. Osobenus yakimae ♂, Butte Co., California, Butte Creek, 24 May 2009. 10-12. Epiproct dissected, lateral, dorsal, ventral, respectively (50x). 13. Epiproct and aedeagus everted, lateral (40x). 14. Epiproct everted, dorsal (50x). 15. Internal epiproct coiled sac dissected, external and internal spinule process (100x). Abbreviations: Aedeagus (AED), Dorsal Sclerite (DS), Epiproct (EPI), External Spinule Processes (ESP), Hemitergal Lobes (HTL), Internal Basal Anchor (IBA), Internal Spinule Processes (ISP), Ventral Sclerite (VS). White and black bars = 1 mm except Fig. 15.