• Black bean aphid

  cornicles (or siphunculi) are short and usually darker than the body. The legs are light yellow with darker tips. Adult wingless aphids are 1.5-3.1 mm long

• Tomato moth

  noctuid moths, the hindwing is greyish and lighter than the forewing, with a darker shadow at the margin. The antennae are long and thin. Head and thorax are [...] overshadowed by the underlying grey-black stripes. Each segment has several darker stripes both laterally and dorsally. When about to pupate, the caterpillars

• Southern European marshland pyralid

  ground. The pinkish red eggs are about 0.5 mm in diameter and become steadily darker. Just before hatching, which occurs about a week later, the young larva [...] webbing, frass and soil particles. The pupa itself is yellow-brown, becoming darker as the adult gets closer to emergence, and measures 9 to 12 mm.

• Click beetles

  up to 25 mm long and usually shiny yellowish brown or light brown with a darker head. Larval development takes 4 to 5 years. When fully grown the larvae

• Pine processionary moth

  forewings are dull ashen-grey; the veins, margins and three transverse bands are darker. The hindwings are white, grey-fringed, with a characteristic dark spot [...] vary considerably with different provenances. In general, the integument is darker in colder areas and varies from dull bluish-grey to black. Pupation takes

• Olive scale

  form the letter H. On citrus, early stages might be yellow but they become darker later. First-instar crawlers (0.35 mm long) and intermediate immature instars

• Blackcurrant aphid

  3-2.6 mm long and pale greenish white or sometimes yellowish, often with a darker green spinal stripe. The distal third of the siphunculi is slightly swollen

• Brown soft scale

  also vary with different host plants. The middle of the scale is always darker than the margins. Females reproduce parthenogenetically (without mating)

• Pea blight, leaf and pod spot

  also infect peas. Ascochyta pinodes causes Ascochyta blight, which causes darker spots than Ascochyta pisi . Ascochyta pinodella (current preferred name

• Cutworms

  covered with close-lying hairs. The eggs are white at first but rapidly turn darker. They are laid separately or in batches on the ground, or on the plant close