Hemidoryctes carbonarius postfurcalis Belokobylskij, 2021

Belokobylskij, Sergey A. & Achterberg, Cornelis Van, 2021, Review of the braconid parasitoid subfamily Doryctinae (Hymenoptera, Braconidae) from the United Arab Emirates and Yemen, European Journal of Taxonomy 765 (1), pp. 1-143 : 80-85

Hemidoryctes carbonarius postfurcalis Belokobylskij subsp. nov.

urn:lsid:zoobank.org:act:96D36DAE-6A4D-48FC-AC74-4898F18C9229

Figs 36–37

Comparative diagnosis

This new subspecies is very similar to the trans-tropical Hemidoryctes carbonarius carbonarius (Ashmead, 1894) , but differs from it by the distinctly postfurcal position of the fore wing recurrent vein

(m-cu) (always antefurcal in H. c. carbonarius ) and recorded only in Yemen (with wide pantropical distribution for H. c. carbonarius ).

Etymology

Named after the postfurcal position of the recurrent vein (m-cu) in the fore wing.

Material examined

Holotype YEMEN • ♀; “Yemen, Al Kowd, i.2001, light tr., no. 5482, A.v. Harten & S. Al Haruri, RMNH’01”; RMNH.

Paratype YEMEN • 1 ♀; “Yemen, Al Kowd, ii.2001, light tr., no. 5484, A.v. Harten & S. Al Haruri, RMNH’01”; RMNH .

Description

Female

MEASUREMENTS. Body length 3.9–4.1 mm; fore wing length 2.8–3.0 mm.

HEAD. Head width (dorsal view) 1.4–1.5 times its median length, 1.2 times width of mesoscutum. Head behind eyes (dorsal view) weakly convex-roundly narrowed. Transverse diameter of eye 1.4–1.5 times longer than temple. Ocelli arranged in triangle with base 1.3 times its sides; POL 1.6–2.0 times Od, 0.5–0.6 times OOL. Eye glabrous, 1.2 times as high as broad. Malar space 0.50–0.55 times eye height, 0.9–1.0 times basal width of mandible. Face width almost equal to eye height and 1.3 times height of face and clypeus combined. Malar suture absent. Hypoclypeal depression subround, its width 0.6–0.7 times distance from edge of depression to eye, 0.4 times width of face. Occipital carina joined with hypostomal carina on short distance upper base of mandible. Hypostomal flange rather narrow.

ANTENNA. Antenna slender, filiform, 25–27-segmented, 0.9 times as long as body. Scape 1.5–1.7 times longer than maximum width, 2.2–2.7 times longer than pedicel. First flagellar segment 5.8–6.5 times longer than its apical width, 1.1 times longer than second segment. Penultimate segment 4.0–4.2 times longer than wide, 0.5 times as long as first flagellar segment, about as long as apical segment; latter almost obtuse apically.

MESOSOMA. Length 1.8 times its height. Neck of prothorax short, with distinct pronotal keel in anterior 0.3. Mesoscutum (lateral view) distinctly and almost perpendicularly elevated above pronotum; rather long (dorsal view), its median length 1.1 times maximum width. Notauli distinct, complete, rather wide, deep in anterior half and shallow in posterior half, crenulate-rugulose. Median lobe of mesoscutum (dorsal view) distinctly protruding, weakly convex anteriorly, without median furrow and anterolateral corners. Prescutellar depression (scutal sulcus) deep, distinctly rugulose, almost without straight carinae, 0.35–0.40 times as long as scutellum. Scutellum convex, with lateral carinae. Subalar depression rather shallow, rather wide, rugose-reticulate. Precoxal sulcus rather deep, almost straight, finely coriaceous anteriorly and smooth on posterior part, running along anterior 0.6 of lower part of mesopleuron. Metascutal lobe (lateral view) short and rounded distally. Metapleural flange wide, short, subrounded distally. Propodeum with small lateral tubercles.

WINGS. Length of fore wing 3.6–3.8 times its width. Metacarpus (1-R1) 1.0–1.1 times as long as pterostigma. Radial vein (r) arising from middle of pterostigma. Second radial abscissa (3-SR) 2.5–2.7 times longer than first abscissa (r), 0.6–0.7 times as long as weakly concave third abscissa (SR1), 1.5 times longer than first radiomedial vein (2-SR). Second radiomedial (submarginal) cell long, 3.5–3.8 times longer than its maximum width, 1.4 times longer than the narrow brachial (subdiscal) cell. First medial abscissa (1-SR+M) distinctly sinuate. Recurrent vein (m-cu) distinctly postfurcal, 4.5–5.0 times longer than second abscissa of medial vein (2-SR+M), 0.6 times longer than first radiomedial vein (rm). Nervulus (cu-a) strongly postfurcal, distance from nervulus (cu-a) to basal vein (1-M) 1.6–2.0 times nervulus (cu-a) length. Brachial (subdiscal) cell open apically, but present short brachial vein (CU1b). Parallel vein (CU1a) weakly curved basally. Hind wing 5.0–5.2 times longer than wide. First abscissa of costal vein (C+SC+R)about as long as second abscissa. Medial (basal) cell rather narrow, weakly widened posteriorly, 11.0–13.0 times longer than wide, 0.4 times as long as hind wing. First abscissa of mediocubital vein (1-SC+R) 0.6 times as long as second abscissa (2-SC+R). Recurrent vein (m-cu) straight, oblique to base of wing, interstitial, sclerotised.

LEGS. Hind coxa large, dorsally with wide and high lump, 1.2–1.3 times longer than maximum high. Hind femur 2.6–2.9 times longer than wide. Hind tibia weakly thickened. Hind tarsus 1.1 times longer than hind tibia. Hind basitarsus 0.7 times as long as second-fifth segments combined. Second segment of hind tarsus 0.55–0.60 times as long as basitarsus, 1.7– 1.9 times longer than fifth segment (without pretarsus).

METASOMA. Metasoma 1.2–1.3 times longer than mesosoma and head combined. First metasomal tergite with small spiracular protuberances in anterior 0.3, distinctly and almost linearly widened from base to subapex, than weakly narrowed. Length of first tergite 1.00–1.05 times its posterior width, 1.3–1.5 times length of propodeum; posterior width about 2.0 times its minimum anterior width. Second tergite with not high longitudinal sublateral carinae. Median length of second tergite 0.5 times its anterior width, 1.5 times length of third tergite. Second suture shallow but distinctly, strongly convex medially, with rather deep sublateral breaks. Third tergite without transverse furrow. Ovipositor sheath 0.85–0.90 times as long as metasoma, 1.4–1.5 times longer than mesosoma, 0.6–0.7 times as long as fore wing.

SCULPTURE AND PUBESCENCE. Vertex and frons entirely distinctly and densely granulate-reticulate; face entirely distinctly curvedly transversely striate with dense rugulosity between striae; temple mainly granulate-reticulate, in lower half with oblique subtransverse striae. Mesoscutum densely and small granulate-reticulate, rugulose in rather narrow area in medio-posterior half. Scutellum entirely granulate-reticulate. Mesopleuron densely rugulose-reticulate in upper 0.5, finely coriaceous to almost smooth partly in lower half. Metapleuron entirely densely reticulate-areolate, areolae smaller and dense reticulate-areolate in anterior third. Propodeum with basolateral areas delineated by rather fine carinae, with long and narrow areola finely delineated by carinae; with short and distinct basomedian carina in anterior quarter or third; propodeum in anterior half densely and small reticulate-areolate, sparsely rugose-striate in posterior half. Hind coxa entirely densely reticulate-granulate, dorsally with additional rugosity. Hind femur entirely very densely and small reticulate-areolate. First metasomal tergite entirely distinctly rugulose-reticulate, with two distinct and weakly convergent posteriorly dorsal carinae in anterior quarter. Second tergite almost entirely with distinct and divergent posteriorly striae and with dense rugulosity between striae, densely reticulate granulate laterally. Third tergite finely to very finely and densely semi-circularly transversely aciculate in anterior half, reticulate coriaceous in latero-posteriorly, almost smooth on wide medial half. Remaining tergites mainly smooth, but densely and finely or very finely granulate laterally. Vertex mainly with sparse, short and semi-erect white setae directed forward. Mesoscutum entirely with dense, short and semi-erect white setae. Mesopleuron medially widely glabrous. Hind coxa dorsally with long and dense adpressed white setae. Hind tibia dorsally with very short, dense and semi-erect white setae, their length about 0.2 times maximum width of tibia.

COLOUR. Head and most part of prothorax brownish yellow, reddish brown to dark reddish brown dorsally. Mesosoma mainly reddish brown or dark reddish brown, infuscate dorsally, yellow or brownish yellow ventrally. Metasoma mainly brownish yellow to yellow, first and second or sometimes also third tergites reddish brown, remaining tergites medio-posteriorly infuscate; sternite in upper halves or thirds dark reddish brown. Antenna brown to dark brown in apical half, eight–ten basal segments yellow to brownish yellow. Palpi reddish brown, yellow distally. Legs mainly reddish brown to dark reddish brown partly; fore and middle coxae brownish yellow; all tarsi yellow or pale brown with infuscate middle segments; all tibiae and basitarsi basally white at rather long distance. Ovipositor sheath brown in anterior half and black in posterior half. Fore wing maculate, hyaline basally. Pterostigma dark brown, pale yellow to whitish in basal third and apically.

Male

Unknown.

Distribution

Yemen.

Figures

Fig. 36. Hemidoryctes carbonarius postfurcalis Belokobylskij subsp. nov., holotype, ♀ (RMNH). A. Habitus, lateral view. B. Head, front view. C. Head, dorsal view. D. Head and anterior part of mesosoma, lateral view. E. Basal segments of antenna. F. Apical segments of antenna. G. Hind coxa and femur. H. Hind tibia. I. Mesosoma, dorsal view. J. Mesosoma, lateral view.

Fig. 37. Hemidoryctes carbonarius postfurcalis Belokobylskij subsp. nov., holotype, ♀ (RMNH). A. Wings. B. Metasoma, dorsal view. C. Metasoma, lateral view.