Campodorus albimarginalis, Watanabe, 2024

Watanabe, Kyohei, 2024, Taxonomic Study of Japanese Ctenopelmatinae (Hymenoptera, Ichneumonidae), with Descriptions of 22 New Species, Bulletin of the Kanagawa Prefectural Museum (Natural Science) 53, pp. 39-102 : 66-67

publication ID

https://doi.org/ 10.5281/zenodo.13237363

publication LSID

lsid:zoobank.org:pub:D4FC7074-ADC6-4310-B60E-12B7ECBD6E25

persistent identifier

https://treatment.plazi.org/id/00DE0491-102F-4CCF-A8C0-D1AD73B97336

taxon LSID

lsid:zoobank.org:act:00DE0491-102F-4CCF-A8C0-D1AD73B97336

treatment provided by

Felipe

scientific name

Campodorus albimarginalis
status

sp. nov.

Campodorus albimarginalis sp. nov. (SJN: Shiroheri-ko-maru-himebachi)

( Figs. 18A–D View Fig , 38J View Fig , 40K View Fig )

Type series. Holotype: JAPAN, KPM-NK 84956 , F, Nara Pref., Nara City, Nakamachi, campus of Kindai University , 11. V. 2012, M. Ito leg. Paratype: JAPAN, KPM-NK 84957 , F, Kanagawa Pref., Atsugi City, Sanda , 26. IV. 2008, H. Katahira leg.

Description. Female (n = 2). Body length 6.8–7.4 (HT: 6.8) mm, covered with silver setae.

Head 0.6 × as long as wide in dorsal view, matt. Clypeus 2.7–2.8 (HT: 2.7) × as broad as high, sparsely punctate and polished, convex in lateral view, lower margin with a median concavity ( Fig. 40K View Fig ). Face 1.8 × as broad as high, slightly convex medially in lateral view. Dorsal profile of gena as Fig. 38J View Fig . Occipital carina complete. Length of malar space 0.45–0.5 (HT: 0.5) × as long as basal width of mandible. Base of mandible slightly convex. POL 1.6 × as long as OD. OOL 1.4–1.6 (HT: 1.6) × as long as OD. Antenna with 33–34 (HT: 33) flagellomeres. FL I 5.0 × as long as maximum depth, 1.6–1.65 (HT: 1.65) × as long as FL II. Length of FL I plus FL II 1.35 × as long as eye height. Mesosoma polished and punctate. Epomia absent. Pronotum rugulose along collar. Mesoscutum with weak notaulus, interspace of punctures slightly coriaceous. Epicnemial carina present laterally and ventrally, its dorsal end situated near anterior margin of mesopleuron. Speculum with large smooth area ( Fig. 18C View Fig ). Propodeum with all carinae except for anterior transverse carina ( Fig. 18D View Fig ). Fore wing length 6.5–7.2 (HT: 6.5) mm. Areolet absent. Fore wing vein 1cu-a postfurcal to vein M&RS

( Fig. 18A View Fig ). Nervellus slightly inclivous, intercepted posterior the middle. Tarsal claws simple. Hind femur 4.6 × as long as maximum depth in lateral view. Ratio of length of hind first to fifth tarsomeres 4.8: 2.0: 1.3: 0.9: 1.05–1.1 (HT: 1.05).

Metasoma matt. T I 1.5–1.6 (HT: 1.6) × as long as maximum width, with latero-median longitudinal carina, its posterior end situated 0.5–0.55 (HT: 0.5) of segment. T II 0.7–0.75 (HT: 0.75) × as long as maximum width. Setae of subgenital plate directed backwards. Ovipositor sheath with short (shorter than half depth of ovipositor sheath) setae apically and rather long (longer than half depth of ovipositor sheath) setae dorso-apically. Ovipositor sheath 0.2 × as long as hind tibia.

Colouration ( Figs. 18A–D View Fig ). Body (excluding wings and legs) black. Face except for a median longitudinal stripe, clypeus, malar space, mandible except for teeth, palpi, ventral spot of scape, postero-dorsal and postero-ventral corners of pronotum, a pair of markings of antero-lateral part of mesoscutum, scutellum except for median brown area, tegula, and subtegular ridge yellow to whitish yellow. Posterior margins of T II to T VII, lateral sides of T III to T VII, and metasomal sternites except for sclerites white. Postscutellum sometimes tinged with yellow. Wings hyaline. Veins and pterostigma blackish brown except for yellow wing base. Fore and mid legs reddish brown to yellowish brown. Hind coxa, trochanter, and femur reddish brown. Hind trochantellus, subbasal band of hind tibia, and hind tibial spurs yellowish brown. Hind tibia except for subbasal band and hind tarsus blackish brown.

Male. Unknown.

Distribution. Japan (Honshu).

Bionomics. Unknown.

Etymology. The specific name is from Latin “ albi -” (whitish) plus “ marginalis ” (margin). This species has white margins of metasomal tergites.

Remarks. This species resembles Ca. crassipes (Thomson, 1894) in the punctate mesopleuron and the body colouration but can be distinguished by the black base of the hind tibia (at least partially white in Ca. crassipes ), the T I 1.5–1.6 × as long as the maximum width (1.25 × in Ca. crassipes ), and the face with a median longitudinal black stripe (entirely yellow in Ca. crassipes ).

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Ichneumonidae

Genus

Campodorus

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