Length: 5-7mm

Egg	Larva	Pupa	Adult
(14-17 Days)	?	(7 Days)	March - October (Earliest: 15.2) (Winter)

Protective Chemicals
Hemiterpenoids	Methylbutanal, Methylbutanol

Biotopes:	Ponds
Food:	Ochlerotatus punctor	Other Aquatic Insecta

UK Beetles: Gyrinus substriatus
Nature Spot: Gyrinus substriatus

Pictures © 2003, 2005 J.K. Lindsey

Caution

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