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merchant grain beetle

The merchant grain beetle is very similar to the sawtoothed grain beetle in appearance life cycle and habits. It can be differentiated from O. surinamensis by its larger eyes and by the shape of the head, the area just behind the eyes of O. mercator is narrower than that of O. surinamensis, which has a more triangular sh… The most descriptive characteristic of both species is the six saw-like teeth found on either edge of the pronotum. About 2 to 3 mm in length. Guidelines To Get Rid of Merchant Grain Beetles. All-American runs a first class operation. Prevention is the best strategy to avoid insect problems in stored grains. Oryzaephilus mercator, or the merchant grain beetle, is a small, flattened beetle about 2.5mm in length. Top recommended aerosols are Alpine PT or Phantom Aerosols. Merchant grain beetles aren’t dangerous, they are considered to be nuisance pests, they don’t transmit diseases and don’t bite or sting people. Call All-American Pest Control Today! If merchant grain beetles have infested your home, pantry, and/or kitchen contact the pest control experts All-American Pest Control today. In homes, the insects primarily infest dry pantry goods. Eggs are dropped loosely among grain kernels or tucked into a crevice in a kernel. Their small size allows them to easily penetrate the packaged food that they use to feed and breed inside. Request a FREE evaluation or get a quote over the phone. Below we'll describe some of the common characteristics that set Gain Beetles apart from other pantry pest species. The sawtoothed grain beetle, and the closely related merchant grain beetle, can be found with other insects in contaminated stored grains in Pennsylvania. Thank you! We recommend either the Invite Multi-Insect Lure. Any grain remaining when a bin is emptied can harbor insect infestations which will move into the new grain. With over 50 years of experience, we know the time, effort and patience it takes to solve any pest problem, including problems with nuisance merchant grain beetles. Molds may begin to grow on the gain, further reducing grain quality and value. The merchant grain beetle, however, is less cold tolerant and lays only about one-half to two-thirds as many eggs as does the sawtoothed grain beetle. Copyright ©2020 National Pest Management Association, Copyright ©2020 Larger larvae may tunnel into kernels to feed. Merchant Grain beetles can be found all over the world and can live in cooler climates. Grain Beetles . They can grow to be one-eighth of an inch long and have very flat bodies. For years they were considered 1 species until breeding experiments showed they were 2 different species. [1], O. mercator is one of the most commonly encounter pests in grain and grain products,[1] and will feed on any foodstuffs of vegetable origin. Although broken kernels are the preferred food of both species, sound kernels will sometimes be penetrated and fed on. The sawtoothed grain beetles botanically known as Oryzaephilus surinamensis is a unique beetle in the Cucujoidea family, this bug is popularly known as a pest that attacks grain. There are six tiny projections on each side, just behind the head. The merchant grain beetle flies; while the Saw-Tooth does not fly. Schedule Now or call us directly (615) 824-8814. the pupal stage lasts about a week. View our privacy policy. the sawtoothed grain beetle, in contrast, has smaller eyes and a more triangular shaped head. The sawtoothed grain beetle is a major pest of stored food products in homes and commercial facilities. Clean out your pantry and cabinets on a regular basis and make sure to get rid of older or expired dry goods. They prefer the smaller broken particles and are attracted to higher fat products. These grain beetles can fly to new food sources, instead of just normal transport. Inspect and Discard: Look for signs of their infestations. Yes, please notify me of important updates & offers. [1] The biology of O. mercator is nearly identical with Oryzaephilus surinamensis (the sawtooth grain beetle). Males can be separated from females by observing a tooth on the femur of the hind leg. Both the larval and adult stages of the merchant grain beetle attack all foods of vegetable origin; their preferred foods are oilseed products such as nuts and sunflower seeds. They can be found in these items if the grain has been broken. See All Pest, Disease and Weed Identification, See All Beer, Hard Cider, and Distilled Spirits, See All Community Planning and Engagement. In the merchant grain beetle the eye diameter is larger than the temple region behind the eye, and the head is rectangular. The following prevention tips can help to reduce the chance of a merchant grain beetle infestation in your home. 4. They are similar to the merchant grain beetle in … They will also attract male moths. Email Signup: Use the image and description above to help you in correctly identifying Grain Beetles in your home. 2. The saw-toothed grain beetle has a more rectangular-shaped head while the merchant grain beetle's head is more triangular-shaped. Merchant grain beetles are small in size, only growing to be about 1/10th of an inch in length. Merchant grain beetles are typically not found in grain products, but instead like to attack cereals, cake mixes, macaroni, cookies and chocolate. Once in the new grain, the insects continue to eat and reproduce. Merchant grain beetles generally infest a home after food purchased from a grocery or other store has already been infested with adults, eggs or larvae. Use Pheromone Traps: These traps have a sex pheromone in order to catch and trap male cigarette beetles. A mature larva is about 1/8″. grain beetle has exposed eyes, whereas the merchant grain beetle has the eyes more protected by small knobs behind the eyes. Once confused with a kind of beetle that does eat grain, the Merchant beetle was scientifically re-categorized, but the name stuck. Because both species are approximately 1/10-inch long, the larger size of the merchant grain beetle is difficult to assess in the grain bin. [1] Freezing infested foodstuffs at -18 °C for six days will kill all stages of the O. mercator life cycle. Merchant Grain Beetle Saw-Toothed Grain Beetle and Merchant Grain Beetle Diet Both beetles are pests found feeding in nuts, seeds, biscuits, dried fruit, grain, and various other food products. [2] This feeding results in the destruction of grain (shrinkage). Adult merchant grain beetles are brown in color, they have 6 legs, antennae, and have an oval narrow shaped body with a flattened head. JavaScript seems to be disabled in your browser.

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