Phyllotreta nemorum

Size
2.4-3.5mm
Basic colour
Yellow and black
Pattern colour
Elytra with sinuate longitudinal yellow band
Number of spots
None
Pronotum
Black with a weak metallic blue or green sheen.
Leg colour
Yellowish to yellow-brown, femora darkened. Tibiae and tarsi usually entirely yellwoish-brownish unlike the similar P. undulata where these structures are clearly bicolorous.