Cremnops desertor
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Ordo: Hymenoptera
Familia: Braconidae
Genus: Cremnops
Name
Cremnops desertor (Linnaeus) – Wikispecies link – Pensoft Profile
- Ichneumon desertor Linnaeus 1758.
- Agathis atricornis Smith 1874[1]. Synonymized by Sharkey 1996[2]. [BMNH, examined]
- Bracon deflagrator Spinola 1808[3]. Synonymized by Curtis 1837[4]. [type presumably lost]
- Cremnops alternans Enderlein 1920[5]. Synonymized by Sharkey 1996[2]. [MZPW, examined].
- Cremnops lemniscatus Enderlein 1920[5]. Synonymized by Sharkey 1996[2]. [MZPW, examined].
- Cremnops malayensis Bhat 1979[6]. syn. n. [FSCA, examined]
- Agathis nigritarsus Cameron 1899[7]. syn. n.[OUMNH, examined], India.
- Ichneumon purgator Fabricius 1793[8]. Synonymized by Latreille1805. [type presumably lost]
Diagnosis
This is a highly variable and widespread species. The fore wing varies from completely infuscate to mostly hyaline with dark and yellow bands. The images in the key (above) show a good range of variation. The combination of characters given in the key is sufficient to identify Thai specimens.
Notes
Contrary to van Achterberg and Long (2010)[9] we do not recognize the species status of Cremnops atricornis (Smith) but rather consider it to be a junior synonym of Cremnops desertor. The character that van Achterberg and Long used to separate eastern and western specimens of Cremnops desertor is the relative lengths of the fore tibia and tarsus. The first two specimens that we checked from Thailand fit their concept of the West Palearctic forms, and looking at all specimens from a large number of Oriental specimens the measurements are variable with no clear gap between long and short. Cremnops desertor has recently been found in North America. There is one specimen from Ottawa, Canada and one from Washington DC. These are in the Canadian National Collection in Ottawa and the US National Museum in Washington, respectively. Among the specimens of Cremnops desertor from Thailand one was particularly small, i.e., 5.4 mm rather than the average length of 6.8 mm. 28S sequence data of several specimens, including the smallest, were identical (Fig. 2). A recently collected specimen of Cremnops desertor from Sweden differed in only 4 positions (~600 bps total) from the two Thai specimens that were checked (Fig. 2). The specimen of Cremnops mekongensis, which is very similar morphologically to Cremnops desertor, differed in 11 sites in the 28S rDNA (Fig. 2). There is no magic number as to how many site changes constitute a distinct species but we predict that as 28S sequence data are obtained for specimens of Cremnops desertor from sites between Europe and Thailand that there will be a grade in the 4 sites in which the 28S sequences differ.
GenBank accession
H098: #JF506256. H8099: #JN019810. H294: #JN019811
Distribution
Widespread over temperate and tropical Eurasia and, recently, accidentally introduced to eastern North America. Distribution map of Thai and Peninsular Malaysia specimens can be found at http://purl.org/thaimaps/desertor.
Examined specimens are in the following collections: BMNH, HIC, QSBG, CNC and UKM.
Taxon Treatment
- Sharkey, M; Clutts, S; 2011: A revision of Thai Agathidinae (Hymenoptera, Braconidae), with descriptions of six new species of hymenoptera research/ Journal of Hymenoptera Research, 22: 69-132. doi
Other References
- ↑ Smith F (1874) Description of new species of Tenthredinidae, Ichneumonidae, Chrysididae, Formicidae etc. of Japan. Transactions of the Entomological Society of London 1874: 373-409.
- ↑ 2.0 2.1 2.2 Sharkey M (1996) The Agathidinae (Hymenoptera: Braconidae) of Japan. Bulletin of the National Institute of Agro-Environmental Sciences 13: 1-100.
- ↑ Spinola M (1808) Insectorum Liguriae species novae aut rariores, quas in agro Ligustico nuper detexit, descripsit, et iconibus illustravit (Hymenoptera). 2. Genua, 262 pp.
- ↑ Curtis J (1837) A guide to an arrangement of British insects; being a catalogue of all the named species hitherto discovered in Great Britain and Ireland. Second edition, greatly enlarged. London, 294 pp.
- ↑ 5.0 5.1 Enderlein G (1920) Zur Kenntnis aussereuropaischer Braconiden. -Archiv fur Naturgeschichte (A) 84: 51-224.
- ↑ Bhat S (1979) Oriental species of Cremnops Foerster (Hymenoptera: Braconidae). Entomon. 4 (1): 27-39.
- ↑ Cameron P (1899) Hymenoptera Orientalia, or contributions to a knowledge of the Hymenoptera of the Oriental Zoological Region. Part VIII. The Hymenoptera of the Khasia Hills. First paper. Memoirs and Proceedings of the Manchester Literary and Philosophical Society 43 (3): 1-220.
- ↑ Fabricius J (1793) Entomologia systematica. Hafniae 2: VIII + 1–519.
- ↑ van Achterberg C, Long K (2010) Revision of the Agathidinae (Hymenoptera, Braconidae) of Vietnam, with the description of forty-two new species and three new genera. ZooKeys 54: 1-184. doi: 10.3897/zookeys.54.475
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