Neoperla

Sivec, Ignac & Stark, Bill P., 2011, New Species Of Neoperla Needham And Phanoperla Banks (Plecoptera: Perlidae) From The Philippine Islands, Illiesia 7 (24), pp. 264-279 : 272-273

Neoperla PA-9

( Figs. 31-34 )

Material examined. PHILIPPINE ISLANDS, Palawan, Salakot Falls Road, 300 m, 19 March 1996, 7♀ (PZ), 1♀ ( PMSL). Palawan, Salakot Falls Road to Napsan, 9° 42’ 9.6” N, 118° 31’ 18” E, 7 March 1998, 1♀ (PZ). Palawan, Estrella Falls, 3 March 1995, 2♀ (PZ). Specimens deposited in the PZ collection, or the PMSL as indicated.

Female. Length of forewing 17 mm. Subgenital plate slightly produced over base of abdominal sternum 9 and broadly rounded.

Egg. Outline broadly oval, collar absent. Length ca. 271 μm, width ca. 256 μm. Chorion finely punctate throughout and bearing long, erect hollow processes scattered in irregular rows over entire chorion ( Figs. 31-34 ). Opercular line thin and obscure, but bearing a series of small, raised spine-like processes.

Comments. As indicated in the comments section for N. nishidai , this could be the true female of that species.

Figures

Figs. 31-34. Neoperla species PA-9 egg. 31. Entire egg. 32. Chorionic detail. 33. Collar end. 34. Anterior end.