Stenopetius jeniei, Ubaidillah, 2008

Ubaidillah, Rosichon, 2008, The Discovery Of The Eulophid Wasp Genus Stenopetius Boucekˇ (Insecta: Eulophidae: Eulophinae) In Indonesia, With Description Of A New Species, Raffles Bulletin of Zoology 56 (2), pp. 289-292 : 290

Stenopetius jeniei , new species

( Figs. 1 , 2a,c )

Material examined. – Holotype: female ( MZB), labeled “ INDONESIA, West Java, Sukabumi, Salabintana, coll. R. Ubaidillah , sweeping, 8 Jul.2004 ”, and “female Stenopetius jenii Ubaidillah , new species. Holotype ”.

Paratypes. – 1 female ( IUNH), West Java, T. N. Gede Pangrango, kab. Sukabumi, Bodogol, 800 m a.s.l. Coll. Darmawan, 1 May 2005 ; 1 male ( MZB), D. I. Yogyakarta, Sleman, Turgo Bawah. 07˚35'E 110˚26'E, 920 m a.s.l., coll. R. Ubaidillah & Darmawan, 17 Jul.2005 ; 1 female ( MZB), West Java, Sukabumi, Kabandungan, Pemeungpeuk, tanjakan Ajle, 06˚47'N 106˚34'E, 1,100 m a.s.l., 23 Jul.2007 , R. Ubaidillah, E. Cholik and Sarino, sweep sample ; 1 female ( MZB), North Sulawesi, Gorontalo, Bone Bolango, Tapa, Bone Talangi 00˚35'N 123˚06'E, sweep sample, coll. R. Ubaidillah, 16 Sep.2003 .

Description. – Female: Body length 1.8–2.0 mm (holotype 1.9 mm). Forewing length 1.6–1.9 mm (holotype 1.75 mm).

Head metallic black with a bluish tinge, mesosoma and metasoma black; antennal scape light brown; pedicel and funicles dark brown; all coxae black, femora dark brown except anterior margin pale yellow; wing hyaline with brown on veins.

Head in frontal view ( Fig. 1b ) wider than high. Vertex reticulately sculptured, with pairs of long setae on area between posterior ocelli and along the occipital ridge. Eyes with short, sparse, white setae; posterior ocellus closer to anterior ocellus than to eye margin; ratio of distance between posterior ocelli (POL) and ocellocular distance (OOL) 12:10. Scape, at rest, almost reaching level of vertex ( Fig. 1c ); pedicel 0.7 times the length of first funicular flagellomere, the latter slightly thinner and longer than other funicular flagellomeres, about 1.2 times the length of the second ( Figs. 1a,c ). Scrobes finely reticulate, depressed medially; frons and lower face smooth and shiny; clypeus indicated laterally and with a relatively large tentorial pit on each apex of lateral clypeal line ( Fig. 1b ). Malar space about 0.4 times as long as eye height; malar sulcus straight, ending in small fovea at eye margin ( Fig. 1c ).

Mesosoma: Pronotum margined, with a transverse carina; median pronotal disk finely reticulately sculptured with sparse setae and three pairs of long setae arranged on anterior margin. Mesoscutum with notauli reaching anterior margin of scutellum; mesoscutum wth relatively large alveolus and irregularly rugosely sculptured and with three pairs of setae, each seta bearing in the center of the alveolate sculptured; axilla with fine reticulate sculpture, and on anterior median with shallow, triangular pit. Scutellum reticulate posteriorly and slightly roughly reticulate anteriorly; with elongate median depression ( Figs.1d , 2a ). Propodeum 0.75 times the length of scutellum; with parallel, sub-median carinae; plicae present, reaching anterior margin of propodeal disk; median disk smooth, engraved with reticulation around propodeal spiracles; callus with six setae.

Metasoma ( Fig. 1e ): Petiole length about 3.8 times width, with two elongate carinae sub-laterally and one median carina dorsally. Metasomal gaster short, oval, and first gastral tergite covering at least anterior half of the length of gaster, cerci very short.

Legs and wings: Hind coxa smooth dorsally and finely striated laterally; first tarsomere of hind leg slightly longer than the second. Forewing length 2.4 times as long a wide ( Fig. 1d ); submarginal vein with five dorsal setae; ratio of lengths of submarginal, marginal, stigmal and postmarginal veins 18:39:9:15.

Male: Similar to female, but smaller, body length 1.7 mm; darker and less metallic; median groove of scutellum shallower; scutellar disk reticulately sculptured; metasomal terga black; metasomal petiole length 5 times the width, slightly broader posteriorly, abdominal gaster triangle-shaped, first tergite covering approximately two-thirds of length of abdomen.

Host. – Unknown

Etymology. – This species is named in honor of Prof. Dr. Umar Anggara Jenie of the chairman of the Indonesian Institute of Sciences (= LIPI) for his attention to the natural sciences in Indonesia.

Distribution. – Known from North Sulawesi and Java.

Discussion. – This species is very similar to its sister species S. rugosus , but can be distinguished from the latter by the presence of a median depression on the scutellar median disk and black body. This species is known very rare in the field and has mainly been collected from the forest edge.

Figures

Fig. 1. Female of Stenopetius jenii, new species: a. antenna, b. head frontal view, c. head and antenna lateral view, d. habitus dorsal view, e. metasoma dorsal view.

Fig. 2. Female of Stenopetius jenii, new species: a. scutellum dorsal view, c. propodeum dorsal view. b and d, Female of Stenopetius rugosus Boucek: b. view scutellum dorsal.ˇd view,. propodeum dorsal