• Spotted Wing Drosophila

  lengthg, and have a wingspan of 6-8 mm. Males are smaller than females. They can be easily distinguished from males of other Drosophila species or SWD females

• Anagyrus vladimiri

  banded antennae. The male is 0.8 mm in length and black in colour. Anagyrus vladimiri is arrhenotokous; virgin females produce male offspring only. The [...] lays a single egg in each host. Eggs laid in smaller hosts usually produce males. Prior to oviposition, the female parasitic wasp examines the host with its

• Cottony cushion scale

  same individual. Males are occasionally produced from unfertilized eggs, but mating is not necessary for reproduction. The adult male has well developed

• Macrolophus pygmaeus

  instars and the adult insect. Adult females are 3.0-3.6 mm long and the males between 2.9-3.1 mm. They are slender with long legs and antennae. The bugs [...] Females have a large, rounded abdomen within which the ovipositor is visible. Males are somewhat smaller than females and have a thin abdomen.

• Diamond back moth

  of the wings appear to turn upward slightly when viewed from the side. In males, the upper two-thirds of the forewings are dark, sometimes suffused with [...] the forewings are light ochreous and the markings are like those of the males. The back is marked with a broad cream or light brown band along the back

• About bumblebees

  start producing new queens and males (drones) in order for the colony to reproduce. These new queens will mate with males, leave the nest and the cycle

• Legume Pest Monitoring Systems

  April 12, 2023

  more accurately". The Pherodis trap contains a pheromone lure which attracts male midges Apply Four Traps Along Field Edges From June The Pea midge monitoring [...] comprises of Koppert's Pherodis trap and a pheromone lure which attracts the male midges. PGRO's entomologist Dr Becky Howard advises growers to site 4 traps

• Bruchid Beetle Trap

  dispensers. The dispensers release a species-specific lure which attracts the male and female weevils into the trap. Once in the trap, they cannot escape and

• Boisduval scale

  The development from egg to the adult stage takes on average 33 days for males, and 50 days for females.

• Buckthorn-potato aphid

  the lower parts of the plants and are not very mobile. In autumn, winged males and females are produced, which return to the primary host buckthorn where