Home - Archive by category: Pest
Warehouse beetle (Trogoderma variabile)
Warehouse beetle (Trogoderma variabile) Type of pest: Primary pest, secondary pest. Distribution: Worldwide, especially warm temperatures and Mediterranean regions. Identification: Adults are 2 – 3.5 mm, oval, with hairy elytra with three transverse wavy pale brown lines. The antennal club has three to eight segments, joined symmetrically. Larvae: eruciform, oval, with bands of hair. Tufts [...] MORE
Tropical warehouse moth (Ephestia cautella)
Tropical warehouse moth (Ephestia cautella) Identification: A mature tropical warehouse moth has a length of 1-2 cm and a wingspan of 1.5 to 2 cm. The moth is also known as the almond moth (Cadra cautella).The adult and the larva is mottled gray off-white in color. Life cycle: The female lays about 260 eggs during [...] MORE
Tobacco moth (Ephestia elutella)
Tobacco moth (Ephestia elutella) Type of pest: Secondary pest. The tobacco moth, cacao moth or warehouse moth (Ephestia elutella) is a small moth of the Pyralidae family. A subspecies is E. e. pterogrisella. Distribution: Worldwide, intolerant of hot conditions. Originated in temperate regions in the northern hemisphere, but has been transported widely, even to Australia. [...] MORE
Spider beetle (Ptinus fur L.)
Spider beetle (Ptinus fur L.) Type of pest: Secondary pest, scavenger Distribution: Worldwide, especially in temperate regions, tolerant to cold conditions. Identification: Adults are 2.5 mm long, have long legs and are globular. The spider beetle looks, superficially, something like a spider. Some species are hairy, others totally or partly shiny. Antennae are long and [...] MORE
Sawtoothed grain beetle (Oryzaephilus surinamensis)
Sawtoothed grain beetle (Oryzaephilus surinamensis) Type of pest: Secondary pest. Distribution: Worldwide. O. surinamensis is cold-tolerant. Identification: Adults are 3 mm, dark brown to dark grey, highly flattened and parallel-sided. The thorax has three longitudinal ridges, with the side of thorax having six tooth-like projections. The length of head behind the eye is long in [...] MORE
Rust red flour beetle (Tribolium castaneum)
Rust red flour beetle (Tribolium castaneum) Type of pest: Primary pest, secondary pest. Distribution: Worldwide. Identification: Adults are 3 – 4.5 mm flattened, parallel-sided and reddish-brown. The larva are tawny in color and 6-8 mm. The gap between eyes is 33% of the head width. The last three segments of antennae are a distinct club. [...] MORE
Rice weevil (Sitophilus oryzae)
Rice weevil (Sitophilus oryzae) Type of pest: Primary pest. Distribution: Worldwide Identification: Adults are 3 – 4 mm, dark brown to black, and the elytra each have two dull orange spots, while flight wings (under elytra) are present, the thorax has circular shaped punctures, and the club-shaped antennae are kinked halfway. The pronotum is barely [...] MORE
Mites (Astigmata)
Mites (Astigmata) Identification: Mites are light in color and about 0.04 cm long, with hairs on their body and legs. Life cycle: The development from egg to imago is dependent on the temperature and can vary from 17 to 140 days. The preferred temperature is 25 ΒΊ C with a high relative humidity up to [...] MORE
Mercant beetle (Oryzaephilus mercator)
Mercant beetle (Oryzaephilus mercator) Pest type: Secondary pest. Distribution: Worldwide. Identification: Adults are 3 mm, dark brown to dark grey, highly flattened, and parallel-sided. The thorax has three longitudinal ridges, and the side of thorax has six tooth-like projections. The length of the head behind the eye is longer with the O.surinamensis than the O.mercator. [...] MORE
Mediterranean flour moth (Ephestia kuehniella)
Mediterranean flour moth (Ephestia kuehniella) Type of pest: Secondary pest. Distribution: Worldwide, intolerance of temperate conditions. This moth with its origin in India, was found for the first time in 1877 in a package of U.S. wheat in Europe. Since then the Mediterranean flour moth has spread throughout Europe. Identification: Adults have short labial palps [...] MORE