Meloboris miae, Haraldseide, 2021

Haraldseide, Håkon, 2021, Two new species of Meloboris Holmgren, 1859 (Campopleginae, Ichneumonidae, Hymenoptera) from Norway, Norwegian Journal of Entomology 68, pp. 193-202 : 195-198

Meloboris miae sp. n.

Figures. 2A–C , 3A , 4B,G .

Material. Holotype: NORWAY: Rogaland: Karmøy: Skår (N59.287979, E5.264283) leg. Haraldseide, Håkon, coll. Zoologische Staatssammlung Munich (Munich, Germany): August 2016 1♀. (Bold Sample ID: CollHH1309) Etymology: The new species is named after my daughter Mia Haraldseide.

Diagnosis. The new species is easily recognized by the black hind femur. Other notable characters are the long area superomedia, largely missing lateral longitudinal carinae of the propodeum and the lack of a basal light area of the hind tibia.

Description. Female: Antenna with 28 flagellomeres, filiform, first segment 5.1 times as long as wide, preapical flagellomeres only slightly longer than wide. Head ( Figure 2B,C ) uniformly coriaceous with faint striae above antennal sockets and a sub-shining tubercle ventrally between these. Temple narrowed behind eyes, 0.47 times as wide as eye in lateral view. Occipital carina complete dorsally, evenly curved, more or less obliterated before junction with hypostomal carina, neither much raised. Eyes weakly converging ventrad. Posterior interocellar distance 0.56 times and posterior ocellus to eye distance 0.78 times as long as diameter of ocellus. Clypeus narrow, about 0.6 times as wide as frons, with very faint apical punctures. Apical margin straight. Mandibles with a ventral lamellar carina, upper tooth slightly longer than lower.

Mesosoma uniformly coriaceous without strong rugosity. Pronotum with some longitudinal striate in ventral part. Epomia strong. Mesopleuron with speculum shining, but with some microsculpture. Medial sternal groove shiny, deep throughout, merging with the hind coxal cavity. Posterior transverse carina present medially only as weak lobes on each side of the medial sternal groove. Mesoscutum with notauli indistinct. Scuto-scutellar groove somewhat shiny. Scutellum with some rugosity in apical declivous area. Propodeum uniformly coriaceous. Spiracles small, circular. Lateral longitudinal carinae largely missing. Area superomedia 2.4 times as long as wide ( Figure 4G ), closed posteriorly. Anterior transverse carina complete.

Forewing 4.5 mm. Wings hyaline. Areolet narrowly sessile, nervulus (vein 1cu-a) postfurcal by 0.35 times its length, slanted, angle of inner anterior corner of first subdiscal cell 50°. Discoidella spectral.

Legs slender, hind femur 5.5 times as long as wide, longest spur of hind tibia 0.5 times as long as hind basitarsus. Claws with basal teeth (difficult to see).

Petiole laterally shiny with little sculpture anterior to small but deep glymmae, coriaceous posterior to this ( Figure 4B ). Postpetiole coriaceous. Metasoma slender, coriaceous but somewhat shiny. Thyridia large. First tergite 3 times as long as apically wide. Ovipositor sheaths approximately 0.3 times as long as hind tibia.

Colour: Antennae black/dark brown, scape and pedicel black, flagellum ventrally somewhat lighter, annellus red. Mandibles except for teeth yellow. Labrum yellow. Palps white. Mesosoma black, hind corners of pronotum yellow. Tegulae yellow.

Fore and mid legs: Coxa yellow, trochanter and trochantellus yellow. Femur red with a weak dorsal longitudinal dark stripe. Tibia red, dorsally lighter with a faint sub-basal dark mark. Tarsi brownish red. Hindleg: Coxa black, trochanter largely black, trochantellus yellow. Femur black, basally narrow yellow. Tibia brownish yellow, darkened basally and apically, basal darkening missing ventrally ( Figure 3A ). Tarsi blackish, basitarsus narrow light basally. Tibial spurs brown.

First to third metasomal tergites black. Thyridia red, second tergite with apical 0.08 and third with apical 0.2 red. Fourth to eighth red with dorso-basal black marks. Ovipositor sheaths black.

Male: Unknown

Host: Unknown

Figures

FIGURE 2. A–C: Meloboris miae sp. n.: A. Habitus. B. Head, frontal C. Head, dorsal. D–G: Meloboris pseudocollector sp. n.: D. Habitus. E. Head, frontal. F. Head, dorsal. G. Mesopleuron.

FIGURE 3. Hind tibiae in anterior view. A. Meloboris miae sp. n.. B. Meloboris pseudocollector sp. n.. C. Meloboris proxima. D. Meloboris collector.

FIGURE 4. A–E: First metasomal tergites. A. Meloboris pseudocollector sp. n.. B. Meloboris miae sp. n.. C. Meloboris collector. D. Meloboris proxima. E. Meloboris alternans (Gravenhorst,1829). F–I: Area supeomedia. F. Meloboris pseudocollector sp. n.. G. Meloboris miae sp. n.. H. Meloboris collector. I. Meloboris proxima. J–L: Volsella and appendages (drawn from slides). J. Meloboris pseudocollector sp. n.. K. Meloboris proxima. L. Meloboris collector.