Chrysis westerlundi Trautmann, 1927
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https://dx.doi.org/10.3897/zookeys.548.6164 |
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lsid:zoobank.org:pub:D5D7B51E-5AC6-460D-9B3C-7584E46F9B3F |
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https://treatment.plazi.org/id/691008C1-0C97-42D5-569E-A49664004C98 |
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scientific name |
Chrysis westerlundi Trautmann, 1927 |
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Taxon classification Animalia Hymenoptera Chrysididae
Chrysis westerlundi Trautmann, 1927 Fig. 171
Chrysis succincta var. westerlundi Trautmann, 1927: 159.
Chrysis succincta var. nordströmi Trautmann, 1927: 159.
Chrysis westerlundi : Linsenmaier 1959: 113.
Diagnosis.
Length 7-9 mm. The species differs from other North European species of the Chrysis succincta group by its characteristic colouration: the head and mesosoma are completely dark blue or almost black dorsally in the female and green blue in the male. The metasoma is dorsally red in both sexes and anteriorly greenish in the male. The metatarsus is long, the second tarsomere is at least 3.5 times as long as broad (Fig. 171). Superficially, the species can resemble similarly coloured species of the Chrysis ignita group, but the two central apical teeth are close to each other and extend further posteriorly than the lateral teeth (as in Fig. 78). Also the black spots of S2 are large and not separated by a metallic central line.
Distribution.
Finland. Very rare, only eight specimens (6 females and 2 males) are known. - West Palearctic: the species has been found only from Finland and Russian Fennoscandia ( Paukkunen et al. 2014).
Biology.
Habitat: sparsely vegetated sandy areas. One specimen was caught with a Malaise trap in a bog. Flight period: mid-June to early August. Host: unknown.
Remarks.
The species might be conspecific with the Far Eastern species Chrysis cavaleriei du Buysson, 1908 and/or the North American species Chrysis provancheri Schulz, 1906 (= aurichalcea Provancher, 1881) ( Paukkunen et al. 2014).
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