Identification file

Hyadaphis foeniculi (Passerini, 1860), Hyadaphis passerinii (Del Gercio, 1911)

1.3-2.3 mm

Apterous: greyish to brownish green and waxy; antennae, legs, cornicles and cauda black, similar to wing
Frons slightly sinuate
Antennae black, length equal to half of body
Abdomen without dorsal pigmentation
Cornicles swollen, black, same length as cauda
Cauda digitate, black

Alate: greyish to brownish green
Frons slightly sinuate
Antennae black, shorter than length of body, with numerous deforming rhinaria on segments III, IV and V (1)
Abdomen with light marginal sclerites (2) and a stripe on each of segments VII and VIII (visible on insect under lighting)
Cornicles short, swollen and pigmented from length of cauda or slightly longer (3)
Cauda digitate, black (4)

Species file