Exochus gratus Tolkanitz 2003
Creators
Description
Exochus gratus Tolkanitz, 2003
(Fig. 7)
Material examined. Holotype: female, RUSSIA, Sakhalin Region: Novo-Aleksandrovsk, 17.vii.1986, leg. M. Nesterov (deposited in: SIZK).
Diagnosis. Exochus gratus is characterized by the combination of the following characters: face not strongly swollen, black with a yellow line along apical margin; frons along eye orbits yellow (not reaching the level of the apical ocellus); yellow marks opposite to lateral ocelli not elongated; clypeus with apical margin straight; occipital carina absent dorsally; meso- and metasoma black except upper hind corner of pronotum and subtegular ridge yellow; propodeum with area superomedia closed apically, costulae absent; fore wing with vein cu-a strongly distad of Rs&M by about 0.4 of own length; third laterotergite more-or-less rounded from the proximal end; legs generally orange-yellowish, hind tibia whitish centrally, fuscous basally and apically.
Distribution. Currently known only from the Sakhalin Island of Russia (Tolkanitz 2007a).
Remarks. According to Yu et al. (2016) the holotype of this species is deposited at the Zoological Institute of RAS, but actually it is in Kyiv which is metioned in Zerova et al. (2006). This species is placed in a group of species with whitish basally hind tibia in the key of Tolkanitz (2007a) (couplet 161). After examination of the holotype it was found that hind tibia basally narrowly fuscous.
Notes
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Linked records
Additional details
Identifiers
Related works
- Is part of
- Journal article: 10.11646/zootaxa.4985.2.2 (DOI)
- Journal article: http://publication.plazi.org/id/FF8FFFC7FFA5FFDFE651FFD38E5AFFCB (URL)
- Journal article: http://zoobank.org/8DBBBE6B-B212-4D84-873F-FDEEA44FD491 (URL)
Biodiversity
- Collection code
- SIZK
- Event date
- 1986-07-17
- Family
- Curculionidae
- Genus
- Exochus
- Kingdom
- Animalia
- Order
- Coleoptera
- Phylum
- Arthropoda
- Scientific name authorship
- Tolkanitz
- Species
- gratus
- Taxon rank
- species
- Type status
- holotype
- Verbatim event date
- 1986-07-17
- Taxonomic concept label
- Exochus gratus Tolkanitz, 2003 sec. Varga, 2021
References
- Tolkanitz, V. I. (2003) New species of the genus Exochus (Hymenoptera, Ichneumonidae, Metopiinae) from the Russian Far East. Report 2. Zoologicheskii Zhurnal, 82 (10), 1211 - 1214. [in Russian]
- Tolkanitz, V. I. (2007 a) Ichneumon flies of the genus Exochus Gravenhorst (Hymenoptera: Ichneumonidae: Metopiinae) of the fauna of Palaearctic region. Russian Entomological Journal, 16 (3), 339 - 358.
- Yu, D. S., van Achterberg, C. & Horstmann, K. (2016) World Ichneumonoidea 2015. Taxonomy, Biology, Morphology and Distribution. Nepean, Ontario. [program]
- Zerova, M. D., Tolkanitz, V. I., Kotenko, A. G., Seryogina, L. Y., Diakontshuk, L. A., Melika, G., Gumovsky, O. V., Fursov, V. N., Simutnik, S. A., Narolsky, N. B. & Stetsenko, T. I. (2006) The Types of Ichneumonoidea, Cynipoidea and Chalcidoidea (Hymenoptera, Apocrita) Deposited in the Collection of the Schmalhausen Institute of Zoology of National Academy of Sciences of Ukraine. Zoodiversity, Supplement 20, 1 - 132.