The Odd Beetle Thylodrias contractus
Adult male beetle
Size: 2-3mm
Shape: Long
Colour: Brown
Antennae: Long
Distinguishing features: Male has thin, twisted wing cases and is completely different from the female which is much larger and wingless.
Larvae are pests of: Natural history collections and also feed on dead insects
Damage: Grazing and frass
Adults eat: Very little
Very rare in the UK but is an important pest in parts of the USA.
Size: 2-3mm
Shape: Long
Colour: Brown
Antennae: Long
Distinguishing features: Male has thin, twisted wing cases and is completely different from the female which is much larger and wingless.
Larvae are pests of: Natural history collections and also feed on dead insects
Damage: Grazing and frass
Adults eat: Very little
Very rare in the UK but is an important pest in parts of the USA.
![](imageresize.php?file=data/usercontent/220965b5cf832f9e4b0af9d5a8cc39b6665750e0cf4beeb08b0c14f17faf4875.jpg&opts=w800h800e0)
![](imageresize.php?file=data/usercontent/220965b5cf832f9e4b0af9d5a8cc39b6665750e0cf4beeb08b0c14f17faf4875.jpg&opts=w200h200e0)
![Thylodrias female Thylodrias female](imageresize.php?file=data/usercontent/3f5785f2e7a88716500bde6cd366bc92daa3dd4f79c849885d1d8dfc79135d23.jpg&opts=w800h800)
![Drawing of male Drawing of male](imageresize.php?file=data/usercontent/934fea71db9dccef6757d52cbda8a6524e23c41b6b2dbf5bc32879eec0cd60d9.jpg&opts=w800h800)
The Odd Beetle Thylodrias contractus
100%
![](imageresize.php?file=data/usercontent/220965b5cf832f9e4b0af9d5a8cc39b6665750e0cf4beeb08b0c14f17faf4875.jpg&opts=w200h200)
![Thylodrias female Thylodrias female](imageresize.php?file=data/usercontent/3f5785f2e7a88716500bde6cd366bc92daa3dd4f79c849885d1d8dfc79135d23.jpg&opts=w200h200)
![Drawing of male Drawing of male](imageresize.php?file=data/usercontent/934fea71db9dccef6757d52cbda8a6524e23c41b6b2dbf5bc32879eec0cd60d9.jpg&opts=w200h200)