Longitarsus holsaticus (Linnaeus, 1758)
Taxonomy: Polyphaga > Chrysomeloidea > Chrysomelidae > Longitarsus > Longitarsus holsaticus
Description
Size: 1.5-2mm
Basic colour: Black
Pattern colour: Large yellow to pale orange spot in the rear half of each elytron
Number of spots: 2
Pronotoum: As basic colour
Leg colour: As basic colour
Basic colour: Black
Pattern colour: Large yellow to pale orange spot in the rear half of each elytron
Number of spots: 2
Pronotoum: As basic colour
Leg colour: As basic colour
Palaearctic
Biology
Status: Widespread though may have declined in SE England.
Habitat: Various, many damp conditions.
Host plant: Marsh lousewort Pedicularis palustris; possibly also on speedwells, Veronica spp.
Overwintering: Probably as adults.
Food: Adults on leaves, larvae at roots.
Other notes: Adults parasitised by larva of a braconid wasp, probably Perilitus sp.
Habitat: Various, many damp conditions.
Host plant: Marsh lousewort Pedicularis palustris; possibly also on speedwells, Veronica spp.
Overwintering: Probably as adults.
Food: Adults on leaves, larvae at roots.
Other notes: Adults parasitised by larva of a braconid wasp, probably Perilitus sp.