Syzeuctus maroccanus, Riedel, 2021

Riedel, Matthias, 2021, The genus Syzeuctus FÖRSTER in the Western Palaearctic region and Central Asia (Hymenoptera, Ichneumonidae, Banchinae), with descriptions of 17 new species, Linzer biologische Beiträge 52 (2), pp. 1013-1098 : 1059

Syzeuctus maroccanus nov.sp. ( Figs 6 , 18 , 42, 81, 126)

H o l o t y p e: (♀) " Morocco SW, N of Guelmin, 9.V.2003, M. Snizek leg." (Linz).

S t u d i e d m a t e r i a l: 1♀; Morocco *.

D e s c r i p t i o n: ♀. 5 th right hind tarsomere and 2 nd to 5 th left hind tarsomereres missing. Body length 10 mm. Antenna with 39 flagellomeres; 1 st flagellomere 4.8× longer than wide and 0.56× as long as eye; preapical flagellomere about square. Temple strongly and roundly narrowed behind eye, dorsally 0.3× as long as eye. OED 1.0× and OOD 2.2× ocellar diameter. Frons moderately swollen laterally, strongly impressed medially, with scattered punctures, partly smooth medially. Face densely punctate, with parallel sides. Clypeus 2.0× wider than long, with scattered punctures, apical margin rounded. MI 0.5. Genal carina reaching mandibular base, slightly bent outwards ventrally.

Mesosoma 1.5× longer than high. Frontoventral edge of pronotum strongly curved. Lateral pronotal groove smooth ventrally. Epicnemial carina low, with low carina on transversal part. Mesoscutum, mesopleuron and metapleuron densely punctate. Speculum partly smooth. Propodeum with very dense coarse punctures and with short apical transveral carina laterally, carina widely absent medially. Hind femur 5.8× longer than wide. Hind metatarsus 0.68× as long as hind femur. 2 nd hind tarsomere 1.5× as long as 3 rd one. Mid claw densely pectinate, moderately bent apically (hind claw missing). Areolet stalked; 2 nd recurrent vein distal to its middle. Nervulus postfurcal by 1-2× its width. Hairs on basal cell about as long as their intervals. Hind wing with 11 distal hamuli.

Metasoma slender. 1 st tergite 2.6× longer than wide, with very scattered fine punctures. 2 nd tergite 1.5× longer than wide, rather densely punctate. 3 rd tergite 1.2× longer than wide, with dense but very superficial punctures. Ovipositor 0.8× as long as fore wing, 1.0× as long as metasoma and 2.0× longer than hind tibia.

Color: Black. Antenna black. Head mainly yellow; teeth of mandible, median stripe of frons, stemmaticum and occiput black. Mesosoma with rich yellow coloration: pronotum mainly, mesoscutum except three black stripes, scutellum, postscutellum, tegula, subtegular ridge, large spots on mesopleuron, mesosternum and metapleuron, upper division of metapleuron and large lateral and median spots on propodeum yellow. Metasoma reddish-brown, 1 st tergite with basolateral yellow spots; 1 st to 4 th tergites with diffuse apical yellow bands. Fore and mid legs yellow; mid tibia reddish ventrally, mid tarsus brown. Hind coxa black, with large yellow spots; hind trochanter brown, hind trochantellus yellow; hind femur and tibia reddish; hind tibia slightly paler basally. Hind tarsus brown. Fore wing with brown apical stripe. Pterostigma brown.

♂ and hosts unknown.

Figures

Figs 1-6: Habitus of ♀♀ from dorsal: (1) Syzeuctus altaicus nov.sp. HT (holotype), (2) S. flagellator nov.sp. HT, (3) S. hyalinus nov.sp. HT, (4) S. flavator nov.sp. HT (♂), (5) S. frontator nov.sp. HT, (6) S. maroccanus nov.sp. HT.

Figs 16-18: Habitus of ♀♀ from lateral: (16) Syzeuctus hyalinus nov.sp. HT, (17) S. ibericus nov.sp. HT, (18) S. maroccanus nov.sp. HT.