Eggs Of Western Nearctic Acroneuriinae (Plecoptera: Perlidae) Author Stark, Bill P. Box 4045, Department of Biology, Mississippi College, Clinton, Mississippi, U. S. A. 39058 & E-mail: stark @ mc. edu stark@mc.edu Author Green, Stephen Box 4045, Department of Biology, Mississippi College, Clinton, Mississippi, U. S. A. 39058 & E-mail: green 33 @ gmail. com text Illiesia 2011 7 17 157 166 journal article http://doi.org/10.5281/zenodo.4760209 f0b761e8-abaf-4479-a368-8720f627f672 1854-0392 4760209 Calineuria californica (Banks) ( Figs. 1-4 ) Perla californica Banks, 1905:87 . Holotype ♀ (Museum of Comparative Zoology), Claremont [ Los Angeles Co. ], California Material examined. California : Butte Co. , Heinz Creek, Hwy 70, 20 May 1982 , B. Stark , D. Ziegler , 1♀ ( BPS ). Sierra Co. , Little Truckee River , Little Truckee Campground , 4 July 1979 , B. Stark , K.W. Stewart , 18♂ , 3♀ ( BPS ). Montana : Lincoln Co. , Yaak River , Yaak River Campground , 19 July 1979 , B. Stark , K.W. Stewart , R . W. Baumann , 2♀ ( BPS ). Oregon : Union Co. , Grande Ronde River , Hwy 244, 29 May 2000 , B. Stark , I. Sivec , M. Zúñiga , 3♂ , 4♀ ( BPS ) . Egg. Outline oval with short stalked collar, ends broadly rounded ( Fig. 1 ). Length including collar ca. 430-460 μm, equatorial width ca. 360-390 μm, collar length ca. 35-40 μm, collar width at midlength ca. 60- 68 μm. Egg body at base of collar encircled by slightly raised ridge. Sides of collar with irregular, prominent struts ( Fig. 2 ); rim flanged and irregularly incised ( Figs. 1-2 ). Anchor biscuit-shaped, surface with scattered mushroom bodies ( Fig. 3 ). Chorionic surface relatively smooth but with obscure hexagonal follicle cell impressions visible at 500X ( Figs. 2, 4 ). Micropylar row subequatorial.