Rice Weevil (Pantry Pest) Fact Sheet Latin Name Sitophilus oryzae Appearance Adult rice weevils measure approximately 4 mm in length and are reddish brown in color. Their wings feature faint yellow or red patterns. Deep, irregular pits are found behind the heads of these weevils, and their snouts can grow as long as 1 mm. Behaviour, Diet & Habits

Here are some key details about rice weevils: Dark, reddish brown with patches. Rice weevils often have four light-colored patches on their wings. Approximately one-eighth of an inch long. These are very small pests—smaller than a grain of rice! Prolonged, pointy head. You can spot rice weevils by their long body and distinctive narrow snout ...

2014年5月3日 · An online resource devoted to North American insects, spiders and their kin, offering identification, images, and information.

The weevil is considered a very destructive pest of stored grain, rice, maize, barley and wheat. Attacks from Sitophillus oryzae can start in the field, when the moisture content is about 20% (although Sitophilus zeamais is the stronger flier and more likely to infest crops before harvest).

Characteristics, Scientific Name, Classification, Taxonomy, Territorial Claims, and pictures of the Rice-Weevil-Beetle (North America)

The adult rice weevil is a dull reddish-brown to black with round or irregularly shaped pits on the thorax and four light reddish or yellowish spots on the elytra (wing covers). The adult...

This document provides an overview of the rice weevil, Sitophilus oryzae, a significant pest of stored grains. It describes the weevil’s appearance, habits, and biology, highlighting its cosmopolitan distribution and impact on various grains.

The rice weevil is 1/16-1/8 inch long and a dull reddish brown. They lay eggs and develop inside kernels of grain. Their larvae are white legless grubs with brown head capsules.

2023年2月9日 · What do rice weevils look like? Rice Weevil Adults: Adults are 2-3 mm (0.125 inches) long, dull reddish-brown to black, having the prothorax pitted with deep, round punctures and with four light spots on the wing covers. Rice Weevil Eggs: Female Rice weevils will chew a hole into a grain kernel and deposit a single egg.

The rice weevil (Sitophilus oryzae) is a small snout beetle that has been known since early times. It is a stored product pest which attacks several crops and products, including wheat, rice, corn, whole grains, millet, rye, beans, bird seed, and caked meal.