Damage based identification key for endophagous herbivores on Common Reed (Phragmites australis)

Author: Patrick Häfliger ©
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Species description

			"The Small Gall Midge" Microlasioptera flexuosa (Winnertz) (Dipt.: Cecidomyiidae)
									Archanara dissoluta Archanara geminipuncta Archanara neurica Arenostola phragmitidis Chilo phragmitellus Giraudiella inclusa Lasioptera arundinis Lasioptera hungarica Lipara lucens Lipara pullitarsis Lipara rufitarsis Lipara similis Microlasioptera flexuosa Phragmataecia castaneae Platycephala planifrons Rhizedra lutosa Schoenobius gigantellus Steneotarsonemus phragmitis Tetramesa phragmitis Thrypticus smaragdinus
	Biology: Microlasioptera flexuosa has at least two generations. Adults of the first generation emerge in May. Eggs are laid in upper internodes, where up to 20 larvae can be found associated with a white felt tissue. M. flexuosa hibernates as larva. Description: Larvae up to 4 mm long, yellow-orange (picture 19). Feeding pattern/damage: Particularly young shoots in June are weakened or killed by infestation with M. flexuosa. Distribution: Europe References: Skuhravy, 1981; Häfliger et al., 2001				Pic. 19: Larvae of Microlasioptera flexuosa

2/04/07

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