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Oomorphus concolor

Taxonomy

  • Polyphaga
  • Chrysomeloidea
  • Chrysomelidae
  • Oomorphus
  • Oomorphus concolor

Description

Size: 2.5-3.5mm
Basic colour: Black or shiny bronze
Pattern colour: None
Number of spots: None
Pronotoum: As basic colour
Leg colour: As basic colour

Palaearctic, as far south as Greece.

Biology

Status: Mainly in southern England, scattered elsewhere
Habitat: Broadleaved woodland with abundant ivy; also downland, riverside hay meadows, railway land and old hedgerows.
Host plant: Ivy; sometimes on other plants (usually near ivy)
Overwintering: As adults and larvae (location uncertain)
Food: Adults on leaves; larvae feed nocturnally, probably on fresh green ivy stems and/or leaf petioles (possibly including plants other than ivy).
Other notes: Antennae are black, short, bluntly toothed, with the first segment red-brown and segments 7-11 clearly swollen. Overall oval and strongly convex, somewhat egg-shaped.

Distribution (may take a minute to appear)

Distribution Map

Neocrepidodera transversa

Size
4-5mm
Basic colour
Usually pale brown to reddish-brown; sometimes darker with a pitchy-brown head, black pronotum, dark brown elytra (with a darker spot around the scutellum) and dark brown legs (with reddish-brown femora)
Pattern colour
See basic colour
Leg colour
See basic colour

Neocrepidodera impressa

Taxonomy

  • Polyphaga
  • Chrysomeloidea
  • Chrysomelidae
  • Neocrepidodera
  • Neocrepidodera impressa

Description

Size: 4-5.5mm
Basic colour: Reddish-brown or dark yellowish-red
Pattern colour: None
Number of spots: None
Pronotoum: As basic colour
Leg colour: As basic colour

Western Palaearctic, including North Africa & Middle East.

Biology

Status: Scarce (Notable A) around the coasts of England and Wales.
Habitat: Coastal, mainly saltmarshes and dunes, sometimes in locations covered by high tides.
Host plant: Usually common sea-lavender (Limonium vulgare), sometimes cabbage thistle (Cirsium oleraceum) and creeping thistle (C. arvense)
Overwintering: Probably as larvae
Food: Adults on leaves, larvae probably within stems or at roots.

Distribution (may take a minute to appear)

Distribution Map

Ochrosis ventralis

Taxonomy

  • Polyphaga
  • Chrysomeloidea
  • Chrysomelidae
  • Ochrosis
  • Ochrosis ventralis

Description

Size: 2.1-2.5mm
Basic colour: Yellowish to pale brown
Pattern colour: Pronotum and elytra sometimes with a fine dark border.
Number of spots: None
Pronotoum: See above
Leg colour: As basic colour

Western Palaearctic, including Caucasus, Middle East, North Africa, Cape Verde, Madeira and Canary Islands.

Biology

Status: Scattered and very local in England and Wales; Rare (RDB3) and appears to have declined.
RDB Category: Rare (RDB3)
Habitat: Lakesides, downland/grass leys, coastal bays/cliffs - probably also on disturbed ground, especially on sandy or chalky soils.
Host plant: Various
Overwintering: As adults
Food: Adults on leaves of nightshades (Solanum spp), larvae probably at the roots.

Distribution (may take a minute to appear)

Distribution Map

Neocrepidodera transversa

Taxonomy

  • Polyphaga
  • Chrysomeloidea
  • Chrysomelidae
  • Neocrepidodera
  • Neocrepidodera transversa

Description

Size: 4-5mm
Basic colour: Usually pale brown to reddish-brown; sometimes darker with a pitchy-brown head, black pronotum, dark brown elytra (with a darker spot around the scutellum) and dark brown legs (with reddish-brown femora)
Pattern colour: See basic colour
Number of spots: Usually none, though see basic colour
Other colour forms: Sometimes
Pronotoum: See basic colour
Leg colour: See basic colour

Western Palaearctic, including Caucasus, Middle East and Kazakhstan

Biology

Status: Widespread and common
Habitat: Various
Host plant: Various
Overwintering: Probably as larvae, plus some adults
Food: Adults on leaves (possibly also pollen), larval feeding unknown.

Distribution (may take a minute to appear)

Distribution Map

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