Published March 20, 2008 | Version v1

Neoperla Vn

  • 1. and Ignac Sivec & Box 4045, Department of Biology, Mississippi College, Clinton, Mississippi, U. S. A. 39058 E-mail: stark @ mc. edu
  • 2. Slovenian Museum of Natural History, Prešernova 20, P. O. Box 290, SLO- 1001 Ljubljana, Slovenia E-mail: isivec @ pms-lj. si

Description

Neoperla Vn A

(Figs. 82‐84, 124‐126)

Material examined. Vietnam: Nghe An, ca. 25 km SW Con Cuong, Khe Moi River Forestry Camp, tributary of Khe Moi River, 308 m, 6 June 1995, 18° 56’ N, 104° 49’ E, B. Hubley, ROM 956172, 2 ♀ (ROM). Same site but 4 June 1995, B. Hubley, J. Swann, ROM 956158, 3 ♀ (ROM).

Adult habitus. Biocellate. Head mostly dark brown but with obscure pale areas forming incomplete Mline and surrounding tentoria (Fig. 82). Pronotum dark brown. Wings tinted brown with darker veins and pale costal margin. Hind femora with dark brown basal and apical bands and pale mesal band, fore and mid femora dark brown.

Female. Forewing length 10‐11 mm. Subgenital plate scarcely produced and mesally emarginate (Fig. 83). Spermathecal stalk very long and slender and lined for most of length with minute spinules (Fig. 84).

Egg. Oval. Length ca. 0.33 mm, width ca. 0.17 mm, collar width ca. 0.09 mm. Collar short and slightly constricted basally with a thin, smooth rim (Figs. 124‐ 126). Striae narrow, ca. 11 primary and 20 secondary striae visible in lateral apect; primary striae connect to collar rim and to follicle cell impressions on lid; secondary striae occur in pairs between primaries and become less prominent near poles. Sulci narrow with a single row of coarse punctations between any pair of striae. Lid small consisting of two rows of follicle cell impressions; FCIs deep, walls smooth, and with floors having ca. 9 punctations.

Diagnosis. See above for N. teresa.

Notes

Published as part of Stark, Bill P. & Sivec, Ignac, 2008, New Species And Records Of Neoperla (Plecoptera: Perlidae) From Vietnam, pp. 19-54 in Illiesia 4 (3) on page 43, DOI: 10.5281/zenodo.4758856

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Linked records

Additional details

Related works

Biodiversity

Collection code
ROM
Material sample ID
ROM 956158 , ROM 956172
Event date
1995-06-04 , 1995-06-06
Verbatim event date
1995-06-04 , 1995-06-06
Scientific name authorship
Vn
Kingdom
Animalia
Phylum
Arthropoda
Order
Plecoptera
Family
Perlidae
Genus
Neoperla
Taxon rank
genus