Syzeuctus paraturcator, 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 : 1061-1062

Syzeuctus paraturcator nov.sp. (Figs 83, 128)

H o l o t y p e: (♀) " Turkey east, Elazig env. 1200 m, 10 June 2011, lgt. K. Deneš jun." (Linz).

P a r a t y p e s: (♂) "Tr. Konya, 30 km S of Aksehir , 24. VI.98, leg. J. Halada " (Linz); (♀) " Turkey SE of Elazog, Hazar Gölü , 29.6.2000, leg. M. Halada " (Linz); (2♀♀) " Iran: Markazi Prov., Arak, Haftad qoleh, Aera chekab, N 34°08´07.2´´ E 50°15´56.1´´, Jun 11-20 July, 2018, 2090 m, Malaise trap, M. Parchami-Araghi " (coll. Riedel) .

S t u d i e d m a t e r i a l: 4♀♀, 1♂; Iran *, Turkey *.

D e s c r i p t i o n: ♀: Body length 10-10.5 mm. Antenna with 36-37 flagellomeres; 1 st flagellomere 4.5× longer than wide and 0.6× as long as eye; preapical flagellomere 1.25× longer than wide. Temple strongly and roundly narrowed behind eye, dorsally 0.3× as long as eye. OED 1.4-1.6× and OOD 2.2× ocellar diameter. Frons with scattered punctures medially, moderately swollen laterally and strongly impressed medially. Face densely punctate. Clypeus c. 1.8× wider than long, with scattered punctures, apical margin rounded. MI 0.7. Genal carina reaching hypostomal carina at mandibular base.

Mesosoma coarsely and densely punctate, c. 1.5× longer than high. Frontoventral edge of pronotum strongly curved; latera pronotal groove smooth ventrally. Epicnemial carina low, with low carina on pleural part. Apical transversal carina of propodeum entirely absent or shortly developed laterally (but in one ♀ from Iran indicated medially by some irregular rugae). Hind femur 5.8-6.0× longer than wide. Hind metatarsus 0.7× as long as hind femur. 2 nd hind tarsomere 1.3× as long as 3 rd one. Hind claw completely pectinate; strongly bent apically. Areolet stalked; 2 nd recurrent vein distal to its middle. Nervulus postfurcal by 2× its width. Hairs on basal cell about as long as their intervals. Hind wing with 8-11 distal hamuli.

Metasoma slender. 1 st tergite 1.9-2.0× longer than wide, almost smooth, with few fine punctures laterally, strongly shining. 2 nd tergite 1.2-1.25× longer than wide, with very scattered fine setiferous punctures, strongly shining. 3 rd tergite 1.05-1.1× longer than wide, with superficial fine punctures. Ovipositor 1.2-1.4× as long as fore wing, 1.8-2.0× longer than metasoma and 3.1-3.4× longer than hind tibia.

Color: Black. Antenna brown or black. Apical 2/3 of clypeus, narrow facial, wider frontal and narrow outer orbits yellow. Mesosoma black; upper margin of pronotum, anterolateral and central spots on mesoscutum, tegula, subtegular ridge, spot on mesopleuron, scutellum except black anteromedian spot, postscutellum and large triangular spot on posterior propodeum yellow. Metasoma black; 1 st to 4 th tergites with wide apical yellow bands. Coxae and hind trochanter black; fore coxa with yellow spot; trochanters and trochantelli otherwise yellow. Fore and mid legs yellowish, fore femur with reddish dorsal stripe; hind femur dark brown or black, yellow apically; hind tibia brown or black, with yellow stripe basally and externally; hind tarsus reddish-brown. Fore wing with weak brown apical spot; pterostigma brown, ± yellow proximally.

♂: Body length 9.5 mm. Antenna with 36 flagellomeres; 1 st flagellomere 4.7× longer than wide and 0.6× as long as eye. Temple moderately and roundly narrowed behind eye, dorsally 0.5× as long as eye. OED 1.3× ocellar diameter. Frons with scattered punctures medially, moderately swollen laterally and strongly impressed medially. Face densely punctate. Clypeus c. 2.0× wider than long, with scattered punctures, apical margin rounded. MI 0.85. Genal carina reaching hypostomal one at mandibular base.

Mesosoma coarsely and densely punctate. Frontoventral edge of pronotum strongly curved. Lateral pronotal groove smooth ventrally. Epicnemial carina low, with low carina on pleural part. Apical transversal carina of propodeum completely absent or shortly developed laterally. Hind femur 6.5× longer than wide. Hind metatarsus 0.65× as long as hind femur. 2 nd hind tarsomere 1.35× as long as 3 rd one. Hind claw completely pectinate; strongly bent apically. Areolet stalked; 2 nd recurrent vein distal to its middle. Nervulus postfurcal by 2× its width.

1 st tergite 2.2× longer than wide, almost smooth, with few fine lateral punctures and strongly shining. 2 nd tergite 1.2× longer than wide, with very scattered fine setiferous punctures, strongly shining. 3 rd tergite 1.05× longer than wide, with superficial fine punctures.

Color: Black. Flagellum brown, blackish basally. Apical 2/3 of clypeus, narrow facial orbit, wider frontal orbit and narrow outer orbit yellow. Mesosoma black; upper margin of pronotum, anterolateral and central spots on mesoscutum, tegula, subtegular ridge, scutellum except black anteromedian spot, postscutellum and large triangular spot on posterior propodeum yellow. Metasoma black; 1 st to 4 th tergites with wide apical yellow bands. Fore and mid coxae and trochanters black, with yellow spots. Fore and mid legs yellowish; hind leg blackish; hind femur yellow apically; hind tibia brownish, yellow externally. Fore wing hyaline; pterostigma brown.

Hosts unknown.

R e m a r k: This new taxon resembles S. bicolor SZÉPLIGETI , but differs by the largely reduced or absent apical transversal carina of propodeum.