Orthostigma (Patrisaspilota) enduwaense Peris-Felipo, 2019

Peris-Felipo, Francisco Javier, Stigenberg, Julia, Quicke, Donald L. J. & Belokobylskij, Sergey A., 2019, Revision of the Oriental subgenus Patrisaspilota Fischer, 1995 (Hymenoptera: Braconidae: Alysiinae: Orthostigma Ratzeburg, 1844) with description of a new species from Papua New Guinea, Zootaxa 4629 (3), pp. 365-378 : 366-369

Orthostigma (Patrisaspilota) enduwaense Peris-Felipo , sp. nov.

(Figs 1, 2)

Type material. Holotype: female, Papua New Guinea, Mt Wilhelm , UTM (-5.815272, 145.1565), 2700 m, 16–17.x.2012, Plot 4, understorey, Coll. by Kua, Yalang, Novotny & Leponce; MAL-MW2700B-13/16-d13 ( MNHM).

Head. In dorsal view, 1.9× as wide as long, 1.3× as wide as mesoscutum, smooth, with temple rounded behind eyes. Eye in lateral view 1.7× as high as wide and 1.1× as wide as temple medially. POL 1.1× OD; OOL 2.7× OD. Face 1.4× as wide as high, with spared setae, almost entirely smooth; inner margins of eyes subparallel. Clypeus 2.1× as wide as high, slightly concave ventrally. Paraclypeal fovea small, not reaching half distance between clypeus and inner border of eye. Mandible almost parallel-sided, 1.2× as long as its maximum width; its middle tooth narrow and rather short, directed forwards, lower tooth evenly curved on outside margin. Antenna 27-segmented. Scape 2.0× as long as pedicel. First flagellomere 3.1× as long as its maximum width, 1.3× as long as second flagellomere. Second to 25th (apical) flagellomeres 2.2–2.5× as long as their maximum width.

Mesosoma . In lateral view 1.1× as long as high. Mesoscutum (dorsal view) about as long as its maximum width, smooth, sparsely setose in medial lobe. Notaulus rather narrow, present on horizontal surface of mesoscutum reaching the half of mesoscutum, not connected with mesoscutal pit. Mesoscutal pit present, elongate, narrow, 3.7× as long as its maximum width. Prescutellar depression (scutellar sulcus) smooth, with high median carinae, 1.7× as long as its maximum width. Precoxal sulcus wide, oblique, coarsely crenulate, not reaching anterior and posterior margins of mesopleuron. Posterior mesopleural furrow almost smooth. Propodeum coarsely rugose, with pentagonal areola and with rugose basolateral areas delineated by carinae. Propodeal spiracles very small, diameter 0.2× distance from spiracle to anterior margin of propodeum.

Wings. Length of fore wing 2.5× its maximum width. Marginal cell ending on apex of wing, 4.5× as long as its maximum width. Vein 3-SR 2.1× as long as vein 2-SR. Vein SR1 2.3× as long as vein 3-SR. Vein r longer than pterostigma width. First subdiscal cell 3.8× as long as its maximum width. Hind wing 5.6× as long as its maximum width.

Legs. Hind femur 4.8× as long as its maximum width. Hind tibia weakly widened to apex, 9.3× as long as its maximum subapical width, 1.1× as long as hind tarsus. First tarsomere of hind tarsus 2.0× as long as second tarsomere.

Metasoma. First tergite almost parallel-sided, 2.3× as long as its apical width, rugose-striate. Ovipositor 1.1× as long as first tergite, 0.4× as long as metasoma, 0.8× as long as hind femur.

Colour. Body, mandible, flagellar segments of antenna, pterostigma, and legs dark brown to black. First metasomal tergite similar colour to second and third tergites. Wings almost hyaline.

Length. Body 2.2 mm, fore wing 3.0 mm, hind wing 1.9 mm.

Variation. Antenna 27–28-segmented. Otherwise similar to holotype.

Male. Unknown.

Comparative diagnosis. The new species is similar to O. (P.) ketambeense ( Fischer 2004) ( Indonesia) and O. (P.) multicarinatum Tobias 1990 ( Sri Lanka and Vietnam), but differs from them in having the eye in lateral view 1.1× as wide as temple medially (2.4× in O. (P.) ketambeense and 1.5× in O. (P.) multicarinatum ), mandible 0.8× as long as its maximum width (1.5× in O. (P.) ketambeense and 1.0–1.2× in O. (P.) multicarinatum ), hind femur 4.8× as long as its maximum width (3.5× in O. (P.) ketambeense and 4.1× in O. (P.) multicarinatum ), and first metasomal tergite 2.3× as long as its apical width (1.4× in O. (P.) ketambeense and 1.5–1.6× in O. (P.) multicarinatum ); additionally the head in dorsal view 1.9× as long as wide (2.2× in O. (P.) ketambeense ) and face smooth (distinctly densely punctate in O. (P.) ketambeense ).

Distribution. Papua New Guinea.