Common cockchafer

10 to 20 mm in the first autumn, 30 to 35 mm by the following autumn, and 40 to 46 mm in the spring of their third year. The pupa is 25 to 35 mm long and [...] instars, a pupal instar and the adult beetle. The adult beetle is 25 to 30 mm long, with a dark head, black pronotum covered with short hairs, and reddish [...] the oval eggs of the common cockchafer ( Melolontha melolontha ) are 2 x 3 mm, but they increase in size by absorbing water. The larvae (grubs) have a whitish

Spotted Wing Drosophila

drosophila Adult spotted-wing drosophila are small, 2-3 mm in lengthg, and have a wingspan of 6-8 mm. Males are smaller than females. They can be easily [...] in the third instar the larvae are about 3.9 mm long. The pupae of Drosophila suzukii are tan-brown and 3 mm long. Contrary to other Drosophila species [...] fruit and for laying the egg into the fruit. Eggs are white, 0.6 long and 0.2 mm wide. Each egg has two respiratory tubes which stick out of the fruit. There

Leek moth

larvae are ca 1 mm long, but mature larvae are ca 10 mm with a brown head capsule and . a yellowish-white body. Pupation takes place in a 10-mm-long, cream-coloured [...] pupa is 7-8 mm long, its colour varies from light yellow in the beginning to brown before adult emergence. Male and female moth are 8-9 mm long, with a [...] a wing span of 15-16 mm. Their general colour is grey-brown with a typical white triangle in the middle of the posterior edge of the forewings. The hindwings

Circular scale

is yellow and up to 1.7 mm long. The adult male is 0.7 mm long and has a single pair of wings. First-instar nymphs are 0.3 mm long and have legs, but soon [...] nymphs and adults have flat to moderately convex, circular scales up to 2 mm in diameter with a slightly raised, sub-central point which is sometimes pale

Horse-chestnut leaf miner

and their size varies form 0.5 mm in the firsts instar up to 3.5 mm in the fourth instar. The pupa is brown and is 2.9-4.5 mm long. The horse-chestnut leaf [...] Life cycle and appearance of Horse-chestnut leaf miner The adult moth is 4-5 mm long and a rich brown colour with bright white chevrons edged with black. [...] small gallery. The second- and third-instar larvae develop a round mine of 4-7 mm diameter. The larva then goes through two spinning instars, which may or may

Codling moth

about 1.3 x 1.0 mm, and whitish opalescent when laid. Later, the developing embryo is visible as a red ring. The larvae are up to 20 mm long, initially [...] cycle and appearance of Codling moth The adults have a wing span of 15-22 mm, blackish-brown forewings, suffused with ash-grey and a large, metallic, bronzy [...] pale pinkish white, with a brown head and a pale anal plate. The pupa is 8-10 mm long and yellowish brown to dark brown, with several hook-tipped bristles

Chafers

Amphimallon sostitialis are 14-18 mm long and yellowish chestnut brown. Amphimallon majalis is somewhat smaller; about 13-15 mm long and reddish-brown in colour [...] are white-coloured, C-shaped grubs, with a yellow-brown head, and up to 30 mm long when fully grown. Larval development takes two years, fully fed larvae

Black vine weevil

they feed on the roots. They are legless, roughly 1 mm long at hatching, but grow to approximately 12 mm. A larva is often curled into the typical C-shape [...] the first adult weevils appear around May. They are approximately 7 - 10 mm long, brownish black and have dull yellow spots on their back. The wing covers [...] in vegetation and under planks etc . In temperate climates, the small (0.7 mm diameter), spherical white eggs are laid from the beginning of July until

Sciarid flies

(0.1 to 0.25 mm) and yellowish white in colour. They are laid on the ground surface close to plant roots. The larvae can grow to 5 to 12 mm in length and [...] larval instars, a pupal instar, and the adult. The adult insects are 1 to 5 mm long, grey-black flies with long antennae. They have relatively long legs [...] and 0.5 to 1.5 mm in diameter. They are legless and have a conspicuous black head. The head is equipped with biting-chewing mouth parts. Pupation takes

Chrysoperla carnea

outer cocoon is 8 mm long and 4 mm thick. The inner more closely spun cocoon is off-white and egg-shaped, about 3 mm long and 2.5 mm thick. The space between [...] stalk. Larval stage: Green lacewing larvae of Chrysoperla carnea are 2-10 mm long. They have large, forwardly projecting jaws and well-developed legs. [...] places, and even on the ground. Adult stage: Adult green lacewings are 23-30 mm long, slender, yellow-green in colour, with a yellow-white dorsal stripe,