Dark Mealworm

Dark Mealworm   General Description ·  Adult dark mealworms are the same size as yellow mealworms but are dull black. Larvae are dark brown, as compared to the shiny yellow to light brown yellow mealworm.   Credit: NobbiP   Life Cycle and Common Characteristics The dark mealworm has a similar life cycle and habits to the yellow mealworm.   Damage…

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Yellow Mealworm

Yellow Mealworm General Description ·   Adults of the yellow mealworm are shiny dark brown or black, about 1.25 cm long. ·  When the larva is fully grown, it is a little over 2.5 cm.   The body is elongated and cylindrical, and has a harder body wall than the larvae of most other stored product pests. The body has a shiny…

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Sawtoothed Grain Beetle

Sawtoothed Grain Beetle General Description ·  The adult is 3 mm long and 1 mm wide. There are six waw-like projections on each side of the thorax. ·  The adult is unable to fly. ·  The larva is 4-5 mm long, narrow in body form, and it is yellowish white.  Each of its abdominal segments bears a yellowish plate on…

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Red Flour Beetle

  Red Flour Beetle   General Description ·  The adult is 3-3.7 mm long and 0.9-1.2 mm wide. ·  This insect resembles a flour beetle that is similar or confusing in appearance and color but differs in that the last three or terminal segments of the antennae are enlarged and enlarged suddenly from the previous ones so that the antennae…

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Confused Flour Beetle

Confused Flour Beetle General Description ·  The adult is 3-4 mm long and 1-1.2 mm wide.  Oval in shape. Its color is reddish brown. ·  Egg: very small, flattened, oval ,and white in color. · The larva is white-tinged with yellow, and the upper surface of the body segments is dark in color and covered with yellow hairs. The larva…

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Mediterranean Flour Moth

Mediterranean Flour Moth General Description · The adult is about 1 cm long.  The distance between the two ends of the flat front wings is 2.5 cm. The color of the forewings is light gray, each with two brown stripes. The hindwings are white with gray flanks and long fringes on the forewings and hindwings. · The larva is pale…

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Drugstore Beetle

Drugstore Beetle General Description ·  The adult is small in size, no more than 3 mm in length. It is reddish-brown in color and covered with short yellow hairs. ·  The larva is white in color and reaches a length of 5 mm when fully grown. On its arched body, there are short, translucent bristles.   Credit: Siga   Life…

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Khapra Beetles or Trogoderma

Khapra Beetles or Trogoderma General Description · The adult is 1.6 -1.8 mm long. The body is brown, and the chest is reddish-brown. The body is covered with soft fluff and this allows it to glide between the grains. The antennae are yellow, and consisting of 10 segments. · The small, fast-moving larva is orange-yellow, with a brown halo on…

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Cadelle

Cadelle General Description ·  The adult is black, about 8-12 mm long. The body is oblong and tends to be an oval in shape. It has strong jaws, and its head and thorax are connected to the abdomen by a small ring. ·  The larva is relatively large in size and may reach a length of 18 mm. The color…

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Cigarette Beetle

Cigarette Beetle General Description   · Adult cigarette beetles are light brown, about 3 mm long, and fly readily. The head is bent downward, so the beetle has a distinct hump-backed appearance. · The larva resembles the drugstore beetle larva, but the body hairs of the cigarette beetle are considerably longer, giving it a more fuzzy appearance.     Credit:…

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Indianmeal Moth

Indianmeal Moth    General Description The adult is 7-10 mm long, the basal third of the forewings are gray and the remaining section is reddish-copper. Hind wings are gray with dense pubescence. The larva is 10-17 mm long, white (yellowish-greenish-reddish), pinkish-white, and has brown spots on its body. The pupa is brown and 11 mm long.   Credit: Mvuijlst Credit: Pudding4brains…

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Lesser Grain Borer

Lesser Grain Borer General Description · It is distinguished from the rest of the grain insects by its cylindrical shape and small size, as the adult is 2.5 mm long. The body is rough, dark chestnut or glossy black, and there are concave spots on the forewings arranged in the form of lines. The head is curved downwards and is…

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Rice Weevil

Rice Weevil   General Description ·  The adult is 3-5.3 mm in length, dark brown, with four yellow spots on the forewings.  the body is narrow and elongated and the front of the head extends like a beak.  The hind wings are present.  The adult is able to fly. ·  Larva and pupae: similar to the granary weevil.   Credit:…

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Indianmeal Moth Granary Weevil or Wheat Weevil

Indianmeal Moth Granary Weevil or Wheat Weevil General Description · The adult length is 3-4 mm. · The adult cannot fly. There are elongated dents on the anterior pronotum. · The color of the adult is dark chestnut or black closely resembles the rice weevil · The larva is 3 mm long, legless, and arched. The head is red-brown and…

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Angoumois Grain Moth

Angoumois Grain Moth General Description The adult is 5-7 mm yellow-brown. The forewings are narrow, pointed at both ends, and have black dots. The hind wings are gray and end in the shape of a finger. The larva is 5-7 mm long, cylindrical, red at hatching, and white when fully developed. The pupa is red or light brown.     …

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