Phygadeuon nativel Rousse et Villemant

Rousse, Pascal & Villemant, Claire, 2012, Ichneumons in Reunion Island: a catalogue of the local Ichneumonidae (Hymenoptera) species, including 15 new taxa and a key to species, Zootaxa 3278, pp. 1-57 : 31

Phygadeuon nativel Rousse et Villemant , sp. nov.

( Figs 14 e–f)

Diagnosis. A black species with legs, base of antenna and metasoma except tergite I brownish. The mesopleuron is polished with obtuse longitudinal striations and a deep crenulate sternaulus. Species also characterized by a long malar space, and short, stout antennae.

Description. FEMALE (7 specimens). Fore wing length 2.3–2.4 mm.

Head. Temple moderately long and rounded; head barely constricted behind head; ocellar triangle equilateral and barely protruding above vertex, OOi = 2.3, IOi = 1.3; occipital carina complete; vertex and frons polished with some punctures; face moderately punctate and finely hairy, shagreened below toruli and smoother ventrally; clypeus slightly convex, almost smooth, its apical margin impressed and with two minute median teeth, Ci = 2.3; MLMi = 1.5; mandible slightly narrowed with margins sub-parallel beyond base, lower thooth slightly shorter than upper, sub-ocular sulcus impressed forming a finely shagreened stripe; antenna with 14–15 flagellomeres, apical truncation of scape angled 45° from transverse, flagellum short and distinctly thickened beyond flagellomere 3, FLi1 = 2.7, penultimate segment almost quadrate, 1.4x thicker than first flagellomere at apex.

Mesosoma. Pronotum smooth, epomia distinct; notauli only anteriorly impressed; mesoscutum moderately punctate, the punctures shallow with hairs; mesopleuron smooth with longitudinal shallow wrinkling anteriorly, speculum smooth, mesopleural furrow very deep, sternaulus deep and crenulate reaching middle of mesopleuron; propodeum shining with strong complete carination and obtuse sub-lateral apophyses, area superomedia hexagonal. Fore wing with 3Rs-m obsolescent and areolet pentagonal. Legs finely and rather densely hairy, hind tibia stout, its dorsal and ventral margin sub-parallel on its apical 3/4.

Metasoma. Apex of sternite I at the level of spiracles; tergite I longitudinally shallowly striate; following tergites polished; ovipositor stout and straight, OTi = 0.6.

Color. Head and mesosoma black with mandible red and palpi yellow. Antenna with flagellomeres 1–3 yellowish orange, the remainder black brown; legs orange yellow; metasomal tergite I black, tergite II orange with testaceous lateral and apical margins, the following tergites darkening towards apex.

MALE. Unknown.

Distribution records. Reunion.

Type material. HOLOTYPE Ƥ ( MNHN EY 6445) Verbatim label data: St Paul / Tan Rouge, alt. 800m, piège Malaise, 24/01/2011, leg. Cirad, complete. PARATYPES ( MNHN EY 6446–6447) 2Ƥ Le Tampon / ND de la Paix, alt. 1700m, V.2011, leg. P. Rousse. Other material 2Ƥ same label data; 1Ƥ St Paul / Tan Rouge, alt. 800m, VI.2011, leg. Cirad; 1Ƥ Entre Deux, alt. 600m, V.2011, leg. Cirad.

Figures

FIGURE 14. Cryptinae (females), habitus and faces. a – b: Acrolyta dindar sp. nov. c – d: Paraphylax mussar sp. nov. e – f: Phygadeuon nativel sp. nov.