Alloperla petasata Surdick, 2004

Stark, Bill P. & Kondratieff, Boris C., 2010, Larvae Of Eight Eastern Nearctic Alloperla Species (Plecoptera: Chloroperlidae), Illiesia 6 (20), pp. 267-276 : 273-274

Alloperla petasata Surdick

Alloperla petasata Surdick, 2004:19 ,

Holotype ♂ ( United States National Museum), Virginia, Shenandoah Co., Crisman Hollow , Massanutten Mountain

Material examined. Nova Scotia : Antigonish Co., Tracadie River , Hwy 16, 22 June 1993, B.C. Kondratieff, R . W. Baumann, 88♂, 10♀, 5 larval skins from field associated adults ( CSU) .

Mature larva. Body length 8.0- 8.5 mm. General color brown without distinctive pattern. Anterior pronotal margin with approximately 10-12 moderately long setae at corners and posterior margin with 2 long and 1-2 medially placed short setae. Mesonotal wingpads with ca. 8-10 outer marginal setae, metanotal wingpads with ca. 12-15 outer marginal setae beyond apex of mesonotal wingpad; typically with a single inner marginal metanotal seta. Foreleg without ventral tibial fringe but sparse ventral fringes present on mid and hind tibiae. Abdominal terga without pale mesal spots; posterior fringes on terga 8-9 with ca. 6-8 long thin setae interspersed with short setae; mid fringe setae between innermost long setae similar in thickness and length to those more laterad. Abdominal intercalary setae restricted to lateral area of segments. Cerci consisting of 16-17 apparent segments, vertical fringe developed on segments 9- 16; longest dorsal setae in segmental whorls of mid cercal segments slightly longer than segments.

Comments. Figures were not prepared from the larval skins available for this species.