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.

Status: Widespread and locally common.
Habitat: Various
Host plant: Ragworts (Senecio spp.); sometimes other Asteraceae and occasionally other plants.
Overwintering: Probably as eggs, larvae and adults.
Food: Adults on ragwort leaves, larvae at roots.
Other notes: Adults parasitised by larvae of a braconid wasp (probably Perilitus sp.) and unidentified nematodes.

Status: Widespread and locally common
Habitat: Various
Host plant: Ragworts (Senecio spp.)
Overwintering: As adults
Food: Adults on leaves, larvae at root-crowns and petioles of lower leaves.
Other notes: Dissection of aedeagus needed to separate this species from L. flavicornis. Two Hymenopteran parasites known: a braconid (probably Perilitus sp.) from adults, and a mymarid (Anaphes sp, probably A. euryale) from eggs.

Status: Widespread and locally common (scarce in Wales & Ireland, less common in Scotland)
Habitat: Various, mainly damp
Host plant: Plantains (Plantago spp.), occasionally on other plants.
Overwintering: As adults, and possibly larvae (as a teneral adult has been recorded in March)
Food: Adults on leaves (and possibly pollen), larvae at roots
Other notes: Dissection of genitalia needed for separation from L. melanocephalus & L. plantagomaritimus.

Status: Widespread but scattered; not recorded from Wales. Scarce (Notable A)
Habitat: Various
Host plant: Ragworts, Senecio spp.
Overwintering: As adults
Food: Adults on leaves; larvae probably at/on roots.
Other notes: Adults in USA found to be parasitised internally by larvae of an unidentified hymenopteran. Oblong and slightly flattened. Similar to L. gracilis var. poweri, but note different head colour.

Status: Scattered in southern England; Scarce (Notable A)
Habitat: Dry soils in calcareous grassland, parkland, quarries, chalk pits, disturbed ground and coastal land-slips.
Host plant: Teasel (Dipsacus fullonum); sometimes accidentally on other plants.
Overwintering: As adults
Food: Adults usually on the undersides of young rosette leaves of first-year plants in spring, and on the upper surface of older plants later in the year; larvae probably on/at roots.
Other notes: Described as a new species in 1967.