Biology:Palaeocimbex quadrimaculatus
| Palaeocimbex quadrimaculatus | |
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| Palaeocimbex quadrimaculatus. Museum specimen | |
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| Genus: | Palaeocimbex Semenov, 1935
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| Species: | P. quadrimaculatus
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| Binomial name | |
| Palaeocimbex quadrimaculatus (O. F. Müller, 1766)
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Palaeocimbex quadrimaculatus is a species of sawflies in the family Cimbicidae, the only species in the genus Palaeocimbex.[2][3]
Description
Palaeocimbex quadrimaculatus can reach a length of about 25 millimetres (0.98 in). It is the thickest species of Cimbicidae in Europe. This species imitates the warning signals of Vespa crabro to deceive potential predators (batesian mimicry). The head is large. Wings are smoky brown. The thorax is dark brown. The abdomen is yellowish, with two large dark brown bands. The antennae are black at the base and yellow-orange at the tip.
Larvae of Palaeocimbex quadrimaculatus are whitish, with yellow and black markings. The average length of these larvae can reach about 20 millimetres (0.79 in), with a maximum of about 43 millimetres (1.7 in) in last instars.[4]
Biology
Palaeocimbex quadrimaculatus is considered one of the serious pests of almonds.[5]
There is only one generation per year. Larvae gnaw the leaf margins of the host plants (especially Prunus domestica and Prunus cerasus). When they reach the maturity they build a cocoon, within which they overwinter.[6]
Larvae and pupae of Cimbex quadrimaculatus are parasitized by two species of Ichneumonidae Opheltes glaucopterus [2] and Listrognathus mactator.[4]
Distribution
This species is present in Europe and in the Near East.[7]
References
- ↑ GBIF
- ↑ 2.0 2.1 Biolib
- ↑ Dyntaxa
- ↑ 4.0 4.1 İnanç Özgen, Murat Yurtcan, Halil Bolu4 and Janko Kolarov Listrognathus mactator (Thunberg, 1824) (Hymenoptera: Ichneumonidae) — A New Recorded Parasitoid of Cimbex Quadrimaculatus (O. F. Müller, 1766) (Hymenoptera: Cimbicidae) in Turkey
- ↑ Cakici FO, Ozgen İ, Bolu H, Erbas Z, Demirbağ Z, Demir İ. Highly effective bacterial agents against Cimbex quadrimaculatus (Hymenoptera: Cimbicidae): isolation of bacteria and their insecticidal activities
- ↑ Non tutti i bruchi saranno farfalle
- ↑ Fauna europaea
External links
Wikidata ☰ Q14582949 entry
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