Protonemura fansipanensis, Sivec & Stark, 2009

Sivec, Ignac & Stark, Bill P., 2009, Two New Protonemura Species From Vietnam (Plecoptera: Nemouridae), Illiesia 5 (21), pp. 204-207 : 204-205

Protonemura fansipanensis sp. n.

( Figs. 1-5 )

Material examined. Holotype ♂ and 1 ♀ paratype collected in Sapa, Fan Si Pan Mountains , Lao Cai Province, Vietnam, 25-30 March 1995, W. Mey ( ZMB).

Adult habitus. General color dark brown to black. Head nearly black, antennae uniformly dark brown, palpi paler. Legs generally pale brown but hind femora distinctly banded, and proximal and distal ends of tibiae darker. Pronotum uniformly brown without conspicuous sculpturing.

Male. Forewing length 8 mm. Abdominal tergum 9 deeply emarginate mesally, but without conspicuous setation; tergum 8 bearing a pair of thick spines on either side of a mesal membranous area ( Fig. 1 ). Epiproct lateral margins subparallel in dorsal aspect for most of length; apex slightly projecting ( Fig. 1 ); ventral margin in lateral aspect relatively straight, but bearing a subterminal cluster of long thin spines ( Fig. 3 ); apex slightly narrowed along dorsal margin. Inner lobe of paraprocts short, slender and without apical setation; mesal lobe slender and bearing an apical spine; outer lobe relatively large, somewhat swollen apically and bearing a cluster of ca. 9 prominent spines ( Figs. 1-4 ). Vesicle about twice as long as wide ( Fig. 2 ).

Putative Female. Forewing length 9 mm. Subgenital plate scarcely projecting beyond posterior margin of sternum 8 ( Fig. 5 ); sternum 8 with strongly divergent, pigmented vaginal lobes underlying subgenital plate. Pregenital plate absent.

Larva. Unknown.

Etymology. The species name is based on Fan Si Pan (Phan Xi Păng) Mountain, from which it was collected.

Diagnosis. See below for P. neofiligera .

Figures

Figs. 1-5. Protonemura fansipanensis. 1. Male terminalia, dorsal. 2. Male terminalia, ventral. 3. Male terminalia, lateral. 4. Male paraprocts. 5. Female terminalia, ventral.