Dalmatian Toadflax Linaria dalmatica (L.) Miller


Brachypterolus pulicarius
(L.)

DESCRIPTION: Beetle - 1 to 2 mm black elongate to oval in shape
BACKGROUND LIFE CYCLE
Availability Habitat Adult Emergence Egg Laying Larva Development F1 Adult Life Span Over Winters
G Wherever Dalmation toadflax occurs May June into flower buds In flower - seed pods   1 to 3 monts Larvae pupate in soil
ATTACK COLLECTION NOTES
Stage Damage Life Stage Method  
Larvae -Reproductive organs and seedsAdults early summerSweep net, aspirator
Adults -Young stems


Calophasia lunula
(Hufn.)

DESCRIPTION: Moth - 12 to 14 mm pale to dark brown with white crescent marking on wing
BACKGROUND LIFE CYCLE
Availability Habitat Adult Emergence Egg Laying Larva Development F1 Adult Life Span Over Winters
N Warm summers May to August May to August on leaves Feed on leaves Early summer 3 to 12 days pupae on stems
ATTACK COLLECTION NOTES
Stage Damage Life Stage Method F2 is possible but most larvae pupate and overwinter as 2nd generation pupae.
Larvae-DefoliaterLarvae, mid summer and fallHand pick
Adults, May to AugustAspirator


Eteobalea intermediella
Riedl

DESCRIPTION: Moth - 9 mm black body yellow head gold flecks on black wings
BACKGROUND LIFE CYCLE
Availability Habitat Adult Emergence Egg Laying Larva Development F1 Adult Life Span Over Winters
N Not known Late spring Late spring on leaf axils or stem base Bore into stem and develop in root Late fall 2 weeks Larvae in root
ATTACK COLLECTION NOTES
Stage Damage Life Stage Method Peak collection time 1 to 2 hours before sunrise and after sunset.
Larvae - Root minersAdultsAspirator Sweep net


Gymnetron antirrhini
Paykull

DESCRIPTION: Weevil - 5 mm grey colored
BACKGROUND LIFE CYCLE
Availability Habitat Adult Emergence Egg Laying Larva Development F1 Adult Life Span Over Winters
N Does not withstand extreme cold winter temperatures May Late June to mid August into flower ovary Develop in seed pods Mid August to early October 10 months Adults in seed capsule or in debris
ATTACK COLLECTION NOTES
Stage Damage Life Stage Method Avoid releasing where Brachypterolus pulicarius (camivorus larvae) is abundant.
Larvae -In seed pods gall tissue forms around seedsAdults July to AugustSweep net


Gymnetron linariae

DESCRIPTION: Weevil - 3 to 5 mm
BACKGROUND LIFE CYCLE
Availability Habitat Adult Emergence Egg Laying Larva Development F1 Adult Life Span Over Winters
N Grassland, colline habitat April and May 3 weeks after adult emergence in spring In root galls Late July to late summer 1 year Adults-In soil near roots or in galls
ATTACK COLLECTION NOTES
Stage Damage Life Stage Method  
Larvae -Root AdultSweep net, hand pick


Mecinus janthinus
Germar

DESCRIPTION: Weevil - 5 mm black elongated
BACKGROUND LIFE CYCLE
Availability Habitat Adult Emergence Egg Laying Larva Development F1 Adult Life Span Over Winters
N Hot dry forest or grasslands, large stemmed plants May May to mid July into stems Mines stem tissue Late August and September 3 to 4 months Adults in stem
ATTACK COLLECTION NOTES
Stage Damage Life Stage Method Affected stems are swollen and cracked and often dead above larvae.
Larvae - Stem minersAdults May to JulyLight sweep net


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