Acmopolynema isaura S. Triapitsyn

TRIAPITSYN, SERGUEI V. & BEREZOVSKIY, VLADIMIR V., 2007, Review of the Oriental and Australasian species of Acmopolynema, with taxonomic notes on Palaeoneura and Xenopolynema stat. rev. and description of a new genus (Hymenoptera: Mymaridae), Zootaxa 1455 (1), pp. 1-68 : 29-30

Acmopolynema isaura S. Triapitsyn & Berezovskiy, sp. n.

( Figs 50–52 )

Type material

Holotype female (on slide, BMNH): INDONESIA, Sulawesi Island, Utara, Dumoga– Bone National Park , Toraut , iv.1985, J.S. Noyes, Malaise trap, forest edge.

Description

FEMALE. Head, pronotum, most of gaster and appendages light brown; F2, most of F3, remainder of mesosoma, apices of mesotibia, metafemur, and metatibia, distal tarsomeres, middle gastral terga, and tips of ovipositor sheaths brown; trabeculae (partially) and clava dark brown.

Head with toruli above mid level of eyes. Mandibular teeth slightly rounded.

Antenna ( Fig. 50 ) much shorter than body. Scape with cross-ridges on inner surface, about 1.9 x as long as wide in lateral view; pedicel shorter than F1; F2 slightly longer than F3, F4–F6 short, slightly increasing in length and width; all funicle segments without longitudinal sensilla; clava about 2.3 x as long as wide, with 9 longitudinal sensilla.

Mesosoma smooth. Pronotum entire, about as long as mesoscutum, with at least 5 pairs of setae. Mesoscutum slightly wider than long, longer than scutellum. Axilla with 1 fovea and a weak seta. Scutellum without a row of frenal foveae. Propodeum ( Fig. 51 ) with wide submedial carinae extending to its anterior margin.

Forewing ( Fig. 52 ) 3.1 x as long as wide; marginal vein with 1 dorsal macrochaeta; marginal fringe short, longest marginal cilia about 1/5 greatest width of wing; approximately basal 1/3 of blade bare and with a small brown spot behind apex of venation; remainder of blade with two brown spots and unevenly setose: the smaller, lighter spot in the narrow part of blade with modified setae of types C and F; the larger, more intense subapical brown spot with modified setae of types C, F, and G. Apical half or so of hind wing blade slightly infumate; longest marginal cilia 2.6 x greatest width of blade.

Metacoxa and metafemur lightly sculptured. Protibia with 2 rows of 10 or 11 conical sensilla.

Petiole a little shorter than metacoxa. Ovipositor slightly less than 9/10 length of gaster, barely exserted beyond its apex; ovipositor length: metatibia length 0.9:1.

Measurements: Mesosoma: 800; mesoscutum: 264; scutellum: 194; petiole: 303; gaster: 707; ovipositor: 640. Antenna: scape (excluding radicle): 112; pedicel: 97; F1: 109; F2: 188; F3: 167; F4: 70; F5: 76; F6: 78; clava: 309. Forewing: 1501/485; longest marginal cilia: 94. Hind wing: 1242/49. Legs (given as coxa, femur, tibia, tarsus): fore: 197, 439, 397, 394; middle: 167, 415, 515, 485; hind: 348, 530, 720, - (metatarsi broken off).

MALE. Unknown.

Diagnosis

Member of the orientale species group. This is a very distinctive and gracile species, whose female has the following unique combination of features: body and appendages mostly light brown to brown, with clava dark brown; submedial propodeal carinae wide and complete, reaching anterior margin of propodeum; forewing with 3 brown spots and a characteristic chaetotaxy on the blade ( Fig. 52 ), marginal vein with 1 dorsal macrochaeta; ovipositor practically not exserted.

Etymology

The specific name (a noun in apposition) means "soft air" in Greek and refers to the main character of the Brazilian soap opera "Escrava Isaura".

Figures

FIGURES 50–52. Acmopolynema isaura (female, holotype). 50. Antenna. 51. Propodeum. 52. Forewing.