Mesosa myops (Dalman, 1817)
publication ID |
https://dx.doi.org/10.3897/zookeys.739.23675 |
publication LSID |
lsid:zoobank.org:pub:D1679384-881D-4263-B885-375CA73F141E |
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https://treatment.plazi.org/id/24E2543D-8055-407F-6438-C50EA6492EF7 |
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Mesosa myops (Dalman, 1817) |
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Mesosa myops (Dalman, 1817) Figs 5B, C View Figure 5 , 16A View Figure 16
Material examined.
Selenge Aimag : 50 km NE of Zuunkharaa (49°05'N, 107°17'E), 930 m a.s.l., 02 VIII 2015, numerous larvae and pupae, 1♂, 1♀, Betula platyphylla , leg. LK, WTS, MW; (III 2016, ex larva), 1♂, leg. MW; (02-10 VIII 2015, ex pupa), 1♂, 5♀♀, leg. WTS; (05 VIII 2015, ex pupa), 2♂♂, 1♀, leg. LK GoogleMaps .
Remarks.
This species is distributed from Eastern Europe (where it reaches eastern Poland) through Siberia, including northern Mongolia and China, to the Far East and Japan ( Sama 2002, Danilevsky 2017a). It is listed in the Annexes of the European Habitats Directive (92/43/EEC), and therefore, it is strictly protected in the entire European Union. However, in the centre of its range (including Mongolia), M. myops is considered to be a common species and it is often numerously found in this region (e.g., Müller et al. 2013). This species is polyphagous on a large number of deciduous trees and shrubs. Its larval development usually takes two years. The pupation of the larvae takes place in the summer. After emerging from the pupae, the adult beetles emerge from their pupal cells from July to September; afterwards they probably overwinter in leaf litter. The imagines occur throughout entire warm season from May to September ( Cherepanov 1990c).
Several dozen larvae (Fig. 16B View Figure 16 ), some pupae (Fig. 16C, D View Figure 16 ) and newly emerged imagines (Fig. 16A View Figure 16 ) were observed under the bark (Fig. 9H View Figure 9 ) of rather thin broken Betula platyphylla (5-20 cm in diameter) (Fig. 16E View Figure 16 ) in the light taiga habitat (Fig. 7F View Figure 7 ) at the beginning of August. Several emergence holes of adults were also found on both branches and stems (Fig. 16F View Figure 16 ). The same material was additionally inhabited by larvae of Xylotrechus hircus , Aegomorphus obscurior and Saperda scalaris .
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