Eremidrilus owyhee Rodriguez & Fend 2022, n. sp.

• Main Authors: Rodriguez, Pilar, Fend, Steven V.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2022
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Clitellata; Lumbriculida; Lumbriculidae; Eremidrilus; Eremidrilus owyhee; Canada; Rodriguez; Gulch; Beaver Creek
• Online Access: https://zenodo.org/record/6779108; https://doi.org/10.5281/zenodo.6779108

3.4. Eremidrilus owyhee n. sp. (Figs. 2C, F; 3J–M; 6) Holotype. USNM 1593361, whole-mounted worm, slide-mounted in Canada balsam. Type Locality. Nevada, Elko Co., Bruneau River at Fawn Gulch, N 41.7594, W 115.5744, 1440 m altitude (3 June 2008). S. V. Fend coll. Paratypes. USNM 1593362–1593366, from the type locality, same collection data, 2 whole-mounted, 3 dissected on slides. CASIZ 233664–233666, 2 whole-mounted, 1 dissected on slide. USNM 1593367, Owyhee River at Beaver Creek, 27 April 2004, coll. D.L. Gustafson. MNCN 16.03 /3151, 1 transversely sectioned from Owyhee River, at Beaver Creek, 27 April 2004, coll. D.L. Gustafson. MNCN 16.03 /3152, 1 dissected and MNCN 16.03 /3153–16.03/3154, 4 whole mounts from type locality, 3 June 2008, S. V. Fend coll. Etymology. Named for the Owyhee River. The name was given to the river and the region in memory of three Hawaiian explorers lost in the region in 1819–20, during Mackenzie‘s Snake expedition (en.wikipedia.org/wiki/Owyhee_County,_ Idaho, last edited on 15 December 2021). Other material. Nevada, Elko Co., several localities, in authors’ collections. Bruneau River at Fawn Gulch (type locality), 3 June 2008, S. Fend coll., 2 dissected, 21 whole mounts. Bruneau River at Cottonwood Creek, N 41.7737, W 115.5823, 1768 m altitude, 15 July 2004, 2 whole-mounted. Owyhee River at Beaver Creek, 27 April 2004, one whole-mounted, 3 dissected, 1 transversely sectioned. Owyhee River below Wildhorse Reservoir, N 41.7259 W 115.896, 1828 m altitude, 27 March 2003, one dissected. Idaho, Camas Co., Big Smoky Creek N 43.6076, W 114.8995, 22 August 2005, 3 whole mounts. All collected by D. L. Gustafson unless otherwise indicated. Description (from type locality population). Segments 55–90. Length of fixed worms 10–19 mm, body diameter in X, 0.31–0.58 mm. Proboscis (100) 250−425 µm long, 40−64 µm diameter at middle. Segmentation distinct, with secondary annulus well marked from III to postclitellar segments (XIII−XIV) (Fig. 2C). All chaetae simplepointed and sigmoid; in anterior part ...