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Related invasive species

  • Aproceros leucopoda
Has Cabi datasheet ID
118020
Detection

A. leucopoda is best detected as a feeding larva on leaves, the ‘zigzag’ browsing traces being easily recognisable as this is the only species known to produce such feeding damage on elm. Leaf-miners on elm feed within the leaf and may be mistaken for A. leucopoda, particularly the species producing more chaotic mines (e.g. Stigmella spp.), though these do not chew through the entire leaf. Once found, mature larvae can be swiftly identified by looking for T-shaped marks on thoracic legs 2 and 3 and a transversal lateral dark stripe between the stemmata. Adults are harder to find, though if captured they can be keyed out through Blank et al. (2010). The lattice-like pupal cocoons are also distinctive and can usually be found on the underside of leaves. Eggs and overwintering cocoons, particularly if the latter have fallen to the ground, are more difficult to detect. Adults are known to fly to yellow sticky panel traps often used for monitoring other sawflies, which should be a suitable method for detecting adults (Vétek et al., 2016).

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