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Hymenoptera: Braconidae) Described from the Palaearctic Region

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Hymenoptera: Braconidae) Described from the Palaearctic Region 2019 ACTA ENTOMOLOGICA 59(2): 543–548 MUSEI NATIONALIS PRAGAE doi: 10.2478/aemnp-2019-0046 ISSN 1804-6487 (online) – 0374-1036 (print) www.aemnp.eu SHORT COMMUNICATION Venanides caspius sp. nov. from Iran, the fi rst species of Venanides (Hymenoptera: Braconidae) described from the Palaearctic Region Parisa ABDOLI1), Ali Asghar TALEBI1,4), Samira FARAHANI2) & Jose FERNANDEZ-TRIANA3) 1) Department of Entomology, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran; e-mail: [email protected]; [email protected]. 2) Research Institute of Forests and Rangelands, Agricultural Research Education and Extension Organization (AREEO), Tehran, I. R. Iran; e-mail: [email protected] 3) Canadian National Collection of Insects, Ottawa, Canada; e-mail: [email protected] 4) corresponding author Accepted: Abstract. The genus Venanides Mason, 1981 (Hymenoptera: Braconidae: Microgastrinae) is 2nd December 2019 recorded from Iran for the fi rst time, and a new species, Venanides caspicus Abdoli, Fernan- Published online: dez-Triana & Talebi sp. nov., is described and illustrated. This new species is characterized 27th December 2019 by its long metasomal tergite 1, that is narrowing towards the posterior end; scutoscutellar sulcus very narrow, obliterated or weakly crenulate; wing veins pale or almost transparent. The newly described taxon is the fi rst representative of Venanides in the Palaearctic Region identifi ed to the species level. Key words. Hymenoptera, Braconidae, Microgastrinae, Venanides, fauna, taxonomy, Iran, Palaearctic Region Zoobank: http://zoobank.org/urn:lsid:zoobank.org:pub:FB36460A-FDD8-4964-B83C-E3EBE6451B18 © 2019 The Authors. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Licence. Introduction (DE SAEGER 1941). Subsequently, some species were treated Braconidae is the second largest family of Ichneu- as one species-group (A. congoensis-group) of Apanteles monoidea (Hymenoptera) (AGUIAR et al. 2013) with more sensu lato (NIXON 1965). MASON (1981) reclassifi ed Mi- than 21,220 species described worldwide (YU et al. 2016, crogastrinae and described Venanides as a new genus to WHITFIELD et al. 2018). The braconid subfamily Microgas- accommodate the species of the A. congoensis-group of trinae, with 2,710 known species (RODRIGUEZ et al. 2013, NIXON (1965). YU et al. 2016, WHITFIELD et al. 2018) is one of the largest It should be noted that YU et al. (2016) did not consider groups of parasitoids in terms of species richness and eco- Venanides to be an independent genus and transferred Ve- nomic importance (RODRIGUEZ et al. 2013, QUICKE 2015). nanides, Nyereria Mason, 1981, Rasivalva Mason, 1981, Venanides Mason, 1981 is a small genus of microgastrine Sathon Mason, 1981, and Distatrix Mason, 1981 as sub- parasitoid wasps that currently contains ten species from genera of P rotapanteles Ashmead, 1898, proposed by VAN the Afrotropical, Australasian, Nearctic, Neotropical, and ACHTERBERG (2002). However, that decision has not been Oriental Regions (MASON 1981, YU et al. 2016, FERNÁN- universally accepted (e.g. ROUSSEI & GUPTA 2013, FERNAN- DEZ-TRIANA & VAN ACHTERBERG 2017). Concerning the DEZ-TRIANA & VAN A CHTERBERG 2017, WHITFIELD et al. 2018). distribution of Venanides in the Palaearctic Region, SHAW The species of the genus Venanides have been recorded (2012) indicated that two specimens deposited in the Na- mostly as gregarious parasitoids on the following Lepi- tional Museum of Scotland which were collected in Tener- dopteran hosts: Agonoxena pyrogramma Meyrick, 1924 ife (Canary Islands) belonged to the genus Venanides, but (Agonoxenidae), Archips sp. (Tortricidae), Plecoptera neither specimen had been identifi ed to the species level. refl exa Guenee, 1852 (Noctuidae), Chionodes formosella Species that are currently included in Venanides were (Murtfeldt, 1881), Dichomeris fl avocostella (Clemens, initially described in the genus Apanteles Foerster, 1862 1860) (Gelechiidae). SHAW (2012) recorded two specimens Abdoli.indd 543 27.12.2019 9:00:29 544 ABDOLI et al.: A new Venanides from the Palaearctic Region (Hymenoptera: Braconidae) of the genus Venanides that he reared from Brachmia Venanides Ma son, 1981 convolvuli Walsingham, 1907 and Teleiopsis lunariella Type species. Venanides xeste Mason, 1981: 101, holotype: , Canada, (Walsingham, 1908) (Lepidoptera: Gelechiidae). Both Ontario, Cimcoe, reared from Dicohmeris ligulella Hbn. (CNC: No. species appear to be solitary, which may be unusual for 15755). Venanides (SHAW 2012). Diagnostic characters. Members of Venanides are diag- In recent years, the fauna of some subfamilies of the nosed by having short and evenly sclerotized hypopygi- Iranian Braconidae have been catalogued (e.g., FARAHANI um; ovipositor sheaths short, smooth, and bearing minute et al. 2016), but the Microgastrinae have been poorly setae near apex (or sheaths apparently without any visible studied (FARAHANI et al. 2014; GADALLAH et al. 2015; setae); T1 usually evenly narrowing towards posterior end GHAFOURI MOGHADDAM et al. 2018; ABDOLI et al. 2019a,b; but sometimes parallel-sided, T1 length 2.5× its posterior ZARGAR et al. 2019a,b). The objective of this study is to width; T1 surface smooth or almost so; T2 with a partial improve our knowledge of the Microgastrinae in Iran and or complete subtriangular area that is about as long as the description of the fi rst Palaearctic Venanides identifi ed wide at posterior end and is laterally marked by grooves to the species level. that diverge at an angle of less than 100°; propodeum almost smooth; anteromesoscutum and mesoscutellar Material and methods disc shiny, weakly punctate, together forming an evenly The sampling for the present study was done using fl attened surface; antenna of female short and thick, the Malaise traps from March to November 2010 and 2011 in fl agellomeres with a single row of placodes; legs short and northern Iran (i.e., Alborz, Guilan, Mazandaran, Qazvin, stout, especially femora; upper outer surface of metacoxa and Tehran provinces) between -14 and 2305 m a.s.l. How- usually fl at, shiny, and impunctate; vannal lobe straight ever, specimens of the genus Venanides were found only in (MASON 1981). one Malaise trap which was installed in Guilan province. The specimens were identifi ed using GRANGER (1949), Venanides caspicus NIXON (1965), MASON (1981), and FERNANDEZ-TRIANA & Abdoli, Fernandez-Triana & Talebi sp. nov. (Figs 1–9) VAN A CHTERBERGE (2017) and also by examining specimens deposited in the Canadian National Collection of Insects, Type material. HOLOTYPE: , “Iran: Guilan province / Astaneh Ashrafi - Arachnids and Nematodes, Ottawa, Canada (i.e., V. congo- yeh, Eshman kamachal / alt. 2 m / N:37°21.16′, E:49°57.93′ / 09.V.2010 ensis (de Saeger, 1941), V. fl avus Fernandez-Triana & van / M. Khayrandish leg.” [a card with locality data and collector in English script, printed]; mounted on a triangular card (TMUC). PARATYPES: 1 Achterberg, 2017, V. tenuitergitus Fernandez-Triana & van and 4 (TMUC), 1 (CNC), same data as holotype. Achterberg, 2017, V. vanharteni Fernandez-Triana & van Achterberg, 2017, and V. xeste Mason, 1981). Diagnosis. T1 long and evenly narrowing from anterior The specimens were photographed with a Keyence to posterior end; scutoscutellar sulcus very narrow, almost VHX-1000 Digital microscope, using a lens with a range obliterated or weakly c renulate (Fig. 4); wing veins pale or of 13.0–130.0×. Multiple images of a structure were taken almost transparent (Figs 8–9); head in frontal view without through the focal plane and these were combined to pro- enlarged upper face (upper face slightly higher than lower duce a single in-focus image, using the software associated face), head width 1.3× its height; metasoma dark brown; with the Keyence system. metafemur brown. The measurements were done using an Olympus™ Description. Female (holotype). Body length 2.0 mm, SZX9 stereomicroscope equipped with a graticule. Mea- antenna length 1.4 mm, fore wing length 2.0 mm. surement of the obtuse angle in T2 is based on the angle Head. Antennae relatively short, not reaching beyond T2, and with single row of placodes; fl agellomeres with between lateral grooves of T2 and its basal width. Mor- phological terminology follows WHARTON et al. (1997) for scattered setae; scape longer than fi rst fl agellomere; length wings venation, and KARLSSON & RONQUIST (2012) for the of 15th fl agello mere 1.5× its width; length of 16th fl agel- other body parts used in description of the new species. lomere 2.0× or slightly more than its width (Fig. 1); anten- The abbreviations T1, T2 and T3 mean tergites 1, 2, and nal scrobe large, shallow and broadening, closed to eyes; in 3, respectively. T4+ means T4 to end of metasoma. The dorsal view, head width 1.8× its length, head (along with type specimens are deposited in the Insect Collection of eyes) with dense long setae (Fig. 2); head in frontal view the Department of Entomology, Tarbiat Modares Univer- without enlarged upper face (upper face slightly higher sity, Tehran, Iran (TMUC) and one male paratype in the than lower face), head width 1.3× its height; lower face Canadian National Collection of Insects, Arachnids and width 1.4× its height, smooth and shining, setose; clypeus Nematodes, Agriculture and Agri-food Canada (CNC). width 3.5× its height; mouthpart with long setae (Fig. 3). Mesosoma. Strongly depressed, anteromesoscutum, mesoscutellar disc and propodeum almost in the same Results plane; anteromesoscutum almost smooth and shiny with In the current study, the genus Venanides is recorded fi ne punctures anteriorly and laterally, anteromesoscutum from Iran for the fi rst time, and a new species, Venanides with disperse setae (median region less setose); notauli caspicus Abdoli, Fernandez-Triana & Talebi sp. nov., is not defi ned; mesoscutellar disc smooth and less setose; described and illustrated. This is the fi rst species of the scutoscutellar sulcus with narrow crenulation; propodeum genus Venanides described from the Palaearctic Region. almost smooth, with a few setae laterally and posteriorly Abdoli.indd 544 27.12.2019 9:00:30 Acta Entomologica Musei Nationalis Pragae, volume 59, number 2, 2019 545 (Fig.
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