Purple Loosestrife Lythrum salicaria L.


Galerucella calmariensis
Linne

DESCRIPTION: Beetle - 2 to 4 mm Oblong, red with black markings
BACKGROUND LIFE CYCLE
Availability Habitat Adult Emergence Egg Laying Larva Development F1 Adult Life Span Over Winters
N Loosetrife habitat. Wetlands April April to end July on leaves Feed on leaves and flower buds. Pupate in leaf and upper soil portion End of May through the summer 1 year In soil
ATTACK COLLECTION NOTES
Stage Damage Life Stage Method F1 adults that emerge before August mate and lay eggs for 1 month.
Larvae -Leaves and budsAdultsSweep net
Adult -Shoots and tips of young leaves


Galerucella pusilla
(Duftsschmid)

DESCRIPTION: Beetle - 2 to 4 mm Oblong, brown with black markings
BACKGROUND LIFE CYCLE
Availability Habitat Adult Emergence Egg Laying Larva Development F1 Adult Life Span Over Winters
P Loosetrife habitat. Wetlands April April to end of July on leaves Feed on leaves and flower buds. Pupate in leaf and upper soil portion End of May through the summer 1 year Adults in soil and leaf litter
ATTACK COLLECTION NOTES
Stage Damage Life Stage Method F1 adults that emerge before August mate and lay eggs for 1 month. Egg laying is strongly curtailed by low temperatures.
Larvae -Leaves and budsAdultsSweep net
Adult -Shoots and tips of young leaves


Hylobius transversovittatus
Goeze

DESCRIPTION: Beetle - 15mm reddish-brown with white markings
BACKGROUND LIFE CYCLE
Availability Habitat Adult Emergence Egg Laying Larva Development F1 Adult Life Span Over Winters
P Tolerates wide range of conditions April May to mid September shoot bases and in soil near roots In soil, in shoots burrowing to roots. Arrests during flooding Development can take up to 2 years. Most emerge in July/August Up to 3 seasons Adults in soil and leaf litter
ATTACK COLLECTION NOTES
Stage Damage Life Stage Method Adults night active:
Release at this time.
Larvae -RootsNot yet fertilizedTechnique not yet finalized
Adult -Shoots


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