Snow-worm
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Cantharis rufa
soldier beetle
Cantharis rufa is a soldier beetle (family Cantharidae) measuring 8–11 mm in length. It is widely distributed across the Palaearctic region and has been introduced to North America, where it is expanding its range. The species has an annual life cycle with two 'prolarval' and six larval instars. Adults are active from mid-May to mid-July.