Amphinemura giay, Stark & Sivec, 2010

Stark, Bill P. & Sivec, Ignac, 2010, Eight New Species Of Amphinemura (Plecoptera: Nemouridae) From Vietnam, Illiesia 6 (5), pp. 41-51 : 44-45

Amphinemura giay sp. n.

( Figs. 10-12 )

Material examined. Holotype ♂ from Vietnam, Lao Cai, Sapa, Fan Si Pan Mountains , 25-30 March 1995, W. Mey ( ZMB).

Adult habitus. General color brown to dark brown. Head dark brown, palpi pale, antennae uniformly brown. Pronotum uniformly brown with obscure rugosities. Legs uniformly brown.

Male. Forewing length 7.5 mm. Epiproct bearing a pair of apically serrate, slightly divergent lateral arms, and a median, subequal pair of lobes which lie between lateral arms ( Fig. 10 ); lateral arms curved strongly ventrad near apex; in lateral aspect, a row of tooth-like spines line the ventral sclerite of the epiproct ( Fig. 12 ). Mesal paraproct lobe bearing a small cluster of long thick setae at the apex and another cluster visible in dorsal aspect subapically ( Figs. 10-11 ). Tergum 10 armed with small clusters of long setae on either side of epiproct; tergum 9 without distinctive setal groups.

Female. Unknown.

Larva. Unknown.

Etymology. The species name, used as a noun in apposition, honors the Giay people of the mountains of northern Vietnam.

Diagnosis. Amphinemura giay is similar in epiproct structure to A. divergens and related species but it differs from these in having the median and lateral arms of the epiproct subequal in length in dorsal aspect.

Figures

Figs. 7-12. Amphinemura divergens (7-9) and A. giay (10-12). 7, Male terminalia, dorsal. 8. Paraproct, caudal aspect. 9. Male terminalia, lateral. 10. Male terminalia, dorsal. 11. Paraproct, caudal aspect.12. Epiproct, lateral.