Sitona lineatus
| Sitona lineatus | |
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| Species: | S. lineatus
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| Sitona lineatus | |
Sitona lineatus, commonly known as the pea leaf weevil is a species of weevil with a Palearctic distribution. It is a common pest of beans, peas, and other plants in the family Fabaceae.[1]
Description
Adult beetles of S. lineatus measure 3.4-5.3 mm in length. They are characterised by a series of coloured scales arranged in alternating lines (striae) on the elytra; it is from this characteristic where the species gets its name lineatus meaning 'lined' or 'striped'. The head and pronotum also have fine pointed setae amongst the scales. The antennae are clubbed, pointed and preceded by 7 segments. The femora is dark, but tibiae and tarsi are red.[2]
Behaviour and ecology
Adults may be abundant on peas, clovers, and other legumes in the spring and autumn. Adults hibernate over winter, emerging in the spring to breed and eat the leaf margins of host plants leaving them with notched edges. Larvae feed in root nodules of host plants.[3]
References
- ^ "Datasheet: Sitona lineatus (pea leaf weevil)". CABI. 17 March 2017. Retrieved 2017-04-11.
- ^ "Sitona lineatus (Linnaeus,1758)". Watford Coleoptera Group. Retrieved 2017-04-11.
- ^ Chinery, Michael (2012). Insects of Britain and Western Europe (Domino Guides) (Revised third ed.). Bloomsbury. p. 286. ISBN 978-1-4081-7948-2.
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