Dolichogenidea faifaiensis Edmardash & Gadallah, 2025

Abu El-Ghiet, Usama M., Edmardash, Yusuf A., Alfaifi, Tawfiq, Abo-Zaid, Mabrouk A. & Gadallah, Neveen S., 2025, Parasitoid wasps (Hymenoptera: Ichneumonoidea) reared from a phycitine caterpillar (Lepidoptera: Pyralidae) growing in galls on Ziziphus spina-christi (L.) (Rhamnaceae), Zootaxa 5637 (3), pp. 559-578 : 562-567

publication ID	https://doi.org/10.11646/zootaxa.5637.3.5
publication LSID	lsid:zoobank.org:pub:8BBD4F28-7AEF-4E0D-98C0-48A34F9F0FBB
DOI	https://doi.org/10.5281/zenodo.15562807
persistent identifier	https://treatment.plazi.org/id/03C5DC44-500C-6F73-FF6E-AD95BE56FBB3
treatment provided by	Plazi
scientific name	Dolichogenidea faifaiensis Edmardash & Gadallah
status	sp. nov.

Treatment

Dolichogenidea faifaiensis Edmardash & Gadallah , sp. nov.

urn:lsid:zoobank.org:act:BE69FE63-4BD9-4AD4-9CA1-EA2C8DE38C80

Figs 3 View FIGURE 3 (A–C), 4(A–F), 5(A, B), 6(A–D)

Material examined: Holotype ♀: Saudi Arabia, Jazan [ Faifa mountains ] [17⁰15‵21.3‶N, 43⁰06‵06.4‶E], reared from larvae and pupae of a phycitine moth ( Pyralidae ) developed in galls formed by Eriophyes liosoma mite on Z. spina-christi branches, 9 Oct. 2024; GoogleMaps paratypes: 3♀, 4♂, same data. GoogleMaps

Diagnosis. The new species does not resemble any of the described Afrotropical ( van Achterberg & Polaszek 1996), or Palaearctic species ( Tobias 1995). is characterized by its black colour ( Fig. 3 View FIGURE 3 A-C), in male T 1 and T 2 pale brown laterally, and posterior margin of T 2-5 narrowly yellowish ( Fig. 6C View FIGURE 6 ); the fore leg (except black coxa) entirely yellow ( Fig. 3A View FIGURE 3 ), middle leg mostly yellow with some black ( Fig. 3A View FIGURE 3 ), and hind leg entirely black (except base of hind tibia yellow) ( Fig. 3A View FIGURE 3 , 6B View FIGURE 6 ); metasomal T 1 nearly parallel-sided, to slightly widened at apex, smooth anteriorly and densely punctate-rugose posteriorly, with longitudinal striations latero-posteriorly; T 2 with a narrow transverse sparsely punctate depression at base; ovipositor as long as or slightly longer than hind tibia ( Fig. 3A View FIGURE 3 ); in female pterostigma whitish margined with black ( Fig. 4C View FIGURE 4 ), in male the whitish colour of pterostigma more pronounced ( Fig. 6D View FIGURE 6 ); vein 1R1 of fore wing distinctly longer than pterostigma ( Fig. 4C View FIGURE 4 , 6D View FIGURE 6 ).

Description. Holotype ♀: body length:2.0 mm.

Colour ( Figs 3A–C View FIGURE 3 , 4A, B View FIGURE 4 . 5A, B View FIGURE 5 ). Black including antenna and tegula; palpi whitish; fore leg yellow (except black coxa); middle leg with coxa black, femur mostly yellow (black dorsally and ventrally), basal half of tibia yellow, remainder black, first four tarsomeres yellow, last tarsomere black; hind leg black except base of tibia yellow, tibial spurs whitish; ovipositor reddish with black ovipositor sheaths; wings ( Fig. 4C, D View FIGURE 4 ) hyaline, fore wing with pterostigma white, margined with black, veins transparent, C+SC+R black (yellow basally), veins r and 3-SR margined with black.

Head ( Figs 4B, C View FIGURE 4 , 5A View FIGURE 5 ). Antenna slightly shorter than body; OOL 2.1× MOD; face shiny, finely punctate; vertex densely punctate; occipital carina absent, occiput smooth and shiny; clypeus separated from face by a deep sulcus, transverse and somewhat elevated, finely punctate; eyes densely setose, slightly convergent ventrally; ocelli small, placed in an isosceles triangle; face with dense fine whitish setae; antenna with four penultimate flagellomeres 1.2× as long as wide.

Mesosoma ( Figs 3A, C View FIGURE 3 , 4F, E View FIGURE 4 , 5A View FIGURE 5 ). Pronotum completely hidden under the elevated mesoscutum in dorsal view; mesoscutum densely finely punctate throughout, with fine short pale setae; notauli indistinct; scuto-scutellar suture thin, punctate or pitted; scutellum sparsely punctate, strigate laterally and smooth and shiny posteriorly; axilla smooth and shiny; metanotum foveolate; propodeum shiny, punctate dorsally, with hexagonal areola posteriorly, surrounded with lateral deep areas; mesopleuron finely punctate and dull anteriorly, with smooth shiny area posteriorly; metapleuron smooth and shiny, depressed medially, finely punctate latero-ventrally at place of meeting mesopleuron. Fore wing ( Fig. 4C View FIGURE 4 ) with vein r/2RS 1.5×, issued after the middle of pterostigma; vein 1R1 (metacarp) distinctly longer than pterostigma, 1.9×; discal cell distinctly higher than wide; pterostigma triangular, length 3.7× its width. Hind wing ( Fig. 4C View FIGURE 4 ) with vannal lobe evenly convex, with fringe of dense fine setae, longer at basal half. Legs ( Figs 3A View FIGURE 3 , 5A, B View FIGURE 5 ). Fore and middle coxa densely finely punctate, hind coxa relatively large, attaining end of T 2, densely superficially punctate externally; hind femur somewhat flattened, 3.1× as long as wide, finely punctate; inner mid tibial spur 2.0× as long as outer spur, hind tibial spurs subequal, its inner spur 0.45× hind basitarsus.

Metasoma ( Figs 3A, C View FIGURE 3 , 5B View FIGURE 5 ). Metasomal T 1 nearly parallel-sided, to slightly widened at apex, emarginate postero-medially, length/ width posteriorly 1.5×, smooth anteriorly and densely punctate-rugose posteriorly, with longitudinal striations latero-posteriorly; T 2 transverse, with a narrow transverse sparsely punctate depression at base, length/width 0.65×, distinctly shorter than T 3, rest of T 2 smooth and shiny; rest of tergites nearly smooth, duller, last tergite very small, distinctly concave posteriorly, smooth and shiny, with two pale long setae overlapping from both sides posteriorly; hypopygium not so long, wrinkled medially; ovipositor about same length of hind tibia or slightly longer, curved downwardly; ovipositor sheath setose along its distal two-thirds, about same length of hind tibia or slightly longer.

Male ( Fig. 6A–D View FIGURE 6 ). Body length: 2.0– 2.5 mm.

Pterostigma with whitish area more extensive, 2.6× as long as wide, veins whitish (except for costal vein, and metacarp); vein 1R1 1.4× as long as pterostigma; T 1 and T 2 pale brown laterally; T 1 smooth and shiny, slightly narrowed posteriorly, 1.8× as long as its posterior width; all metasomal tergites with very narrow white posterior margins; middle femur black with yellowish apex, whitish at base of hind tibia more extensive than in female.

Etymology. The new species is named in reference to the region where the specimens were collected.

Distribution. Saudi Arabia (Jazan, Faifa).

Comments. This is the first record of the genus Dolichogenidea Saudi Arabia (see Fernandez-Triana et al. 2020; Whitfield et al. 2022). In some of female paratypes, posterior margin of T 2-4 narrowly whitish, mesopleuron ventrally yellow. The new species does not agree with any of the described Afrotropical ( De Saeger 1944; van Achterberg & Polaszek 1996), or Palaearctic species ( Tobias 1995) in body colour or sculpture.