Harlequin ladybird (Harmonia axyridis)

Harlequin ladybird (Harmonia axyridis)

 

Size: 5 - 8mm
Basic colour: yellow-orange, orange-red, red or black
Pattern colour: orange-red or black spots
Number of spots: 0-21
Spot fusions: sometimes
Melanic (black) form: common

Pronotum: white or cream with up to 5 spots, or fused lateral spots forming 2 curved lines, M-shaped mark or solid trapezoid
Leg colour: brown
Habitat: very varied
Host plant: various, particularly lime and sycamore
Overwintering: in houses, on rocky surfaces
Food: aphids, coccids, adelgids, coccinellids, fruit

Other notes: An invasive alien species new to Britain. Predicted to spread rapidly. Outcompetes other ladybird species and is a major threat to them and some other insect groups.