There is only 1 species of Drilid in the UK - Drilus flavescens (Fourcroy)
Males and females are highly dimorphic. Males and larvae are more commonly encountered than females. Descripitons are given below:
Males
- Antennae: 11 segmented and disctinctively pectinate
- Pronotum: Black with thick brown hairs
- Wing cases: Light brown and extensively hairy
- Legs: Brown
- Tarsi: 5-5-5
Females
- Larviform (wingless), much larger than males, brown with black markings
Larvae
- Orangey brown with numerous lateral, spiny processes - can be seen feeding on snails and they also overwinter in their shells.
Where to find them: Chalk downland in the South East of England
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