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Scarlet lily beetle
Lilioceris lilii
52.8073, -2.13557
Field Notes
Description:
A Scarlet Lily Beetle spotted in the garden Stafford, England.
The adult lily beetle is about 6 to 9 mm in length, with relatively long legs and antennae. Its elytra (harder forewings) are bright scarlet and shiny. Its underside, legs, eyes, antennae and head are all black. It has large eyes, a slim thorax, and a wide abdomen. Each antenna is made up of 11 segments. The eyes are notched and there are two grooves on the thorax.
This lily beetle may be confused with the cardinal beetle (Pyrochroa serraticornis), which also has red elytra and a black underside. The wing cases of the lily leaf beetle are dimpled and are shinier and more rounded than those of the cardinal beetle, which are relatively dull, and narrower, flatter, and more elongated. The cardinal beetle also has comb-like antennae. The lily leaf beetle is herbivorous, while the cardinal beetle preys on insects. The lily leaf beetle is also confused with unspotted ladybirds, but it is narrower in shape.
Notes:
The lily leaf beetle is indigenous to parts of Europe and Asia. It has also become established as an invasive species in the United Kingdom since being first recorded in 1839, although the first colony did not become established until 1939 and it did not spread far until the 1980s, then more rapidly from the 1980s. Since then it has spread from Surrey in southern England as far north as Inverness, Scotland. It is also found in Ireland. It is also found in the Middle East and North Africa.
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