1800 819 189 info@pestcontrolsydney.com.au Greater Sydney, NSW, 2000 07:00 - 18:00
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SAWTOOTHED BEETLE 

Both sawtoothed and merchant grain beetles are common stored-food product pests that infest cereals, cornmeal, cornstarch, popcorn, rice, dried fruits, breakfast foods, flour, rolled oats, bran, macaroni, sugar, drugs, spices, herbs, candy, dried meats, chocolate, bread, nuts, crackers, raisins, dried dog and cat food, and other foodstuffs, making them unsalable and unpalatable. These beetles are capable of chewing into unopened paper or cardboard boxes, through cellophane, plastic, and foil wrapped packages. Once inside, populations build up rapidly often spreading to other stored foods and into food debris accumulated in the cupboard corners, cracks, and crevices. Sometimes all life stages (egg, larva, pupa, and adult) may be found. These insects contaminate more food than they consume, and usually are discovered leaving the infested food to crawl about the house. Adults and larvae are external feeders, feeding on finely divided food particles and not whole grains. They do not bite or sting humans or pets, spread disease, or feed on or damage the house or furniture. These insects have running legs (ambulatory) much like cockroaches and penetrate “tightly sealed” packaging.

IDENTIFICATION

Both beetles are flattened, reddish-brown, and about 2.54-mm long. They have six sawtooth-like projections on each side of the thorax (middle part between the head and the wing covers). It is difficult to separate these two beetles. Under magnification, the sawtoothed grain beetle has exposed eyes, whereas the merchant grain beetle has the eyes more protected by small knobs behind the eyes. Also, the head is more triangular in the merchant grain beetle. Males can be separated from females by observing a tooth on the femur of the hind leg. Eggs, larvae, and pupae of both beetles are similar. Eggs are white, microscopic, and elongated. Full-grown larvae are less than 3.17-mm long, with a dirty white background and yellowish plates on the back. The head is brown with three pairs of legs. The pupal case is a capsule of glued foodstuff fragments.

LIFE CYCLE & HABITS

Both beetles lay eggs singly or in small batches in the food material where the life cycle is completed. The sawtoothed grain beetle cannot fly, but the merchant grain beetle can fly. Adults usually live about 6 to 10 months, with some living as long as 3 years and 3 months. Female sawtoothed grain beetles usually emerge in April and lay an average of 300 eggs. Egg laying begins about 5 days after emergence and continues up to 3 to 4 weeks. Eggs hatch in about 8 days, larvae mature in 37 days, and pupa about 67 days. Merchant grain beetles lay an average of 200 eggs over 28 to 42 days, requiring about 35 days to complete the life cycle. There may be as many as 6 to 7 generations under warm conditions of 29 degrees C to 35 degrees C and 70-percent relative humidity, with fewer generations throughout the winter months. Adults remain active and feed. The sawtoothed grain beetle prefers cereal-based products, whereas the merchant grain beetle prefers nuts, seeds, and dried fruit.

CONTROL MEASURES

The simplest and most effective control measure is to locate the source of infestation and quickly get rid of it. Use a flashlight or other light source to examine all food storage areas and food products carefully. Dispose of heavily infested foods in wrapped, heavy plastic bags or in sealed containers for garbage disposal service, or bury deep in the soil if permitted, practical, and regulations allow. If you detect infestations early, disposal alone may solve the problem.

At the time of purchase, carefully examine foods, such as flour, pancake flour, cornmeal, cereals, raisins, dry dog and cat food, spices, candy, dates, dried meats and fruits, rice, and macaroni. Check the packaging date to establish freshness. Examine broken and damaged packages and boxes to avoid bringing these stored-product pests accidentally into the home. Purchase seldom-used foods in small quantities to prevent long storage periods of one month or more, especially during the warm summer months. Store susceptible foods in insect-proof containers of glass, heavy plastic, or metal, ideally with screw-type lids, or store in a refrigerator or freezer. Use older packages before newer ones, avoid spillage in cabinets, and always keep food storage spaces clean. Properly ventilate the storage area to discourage these moisture-loving stored-product pests.

Lightly infested or suspect foods with questionable infestations can be heated in a shallow pan in the oven at 48 degrees C for 1 hour or at 54 degrees C for 30 minutes, placed in a deep freeze at -17 degrees C for 4 days, or heated in a microwave oven for 5 minutes. Heat-treat dried fruits or vegetables by placing in a cheesecloth bag and dipping in boiling water for 6 to 10 seconds. Sifting the food material will remove insect fragments. Any remaining fragments will not cause harm if consumed. After insects are killed, contaminated food might be used outdoors, during the winter months, for bird feed. Seeds saved for planting may have the germination reduced by super-heating or cooling.

Careful sanitation is the best method to avoid stored-product pests. After removing all food, food packages, utensils, dishes, etc. from the cupboard, shelves, or storage area, use a strong suction vacuum cleaner with proper attachments to clean all spilled foods (cornmeal, toaster crumbs, bits of pet food, raisins, etc.) from the cracks and crevices, behind, under, and in appliances and furniture. Scrub with soap and hot water. After shelves are thoroughly dry, cover with clean, fresh paper or foil before replacing food or cooking utensils. The ability of these insects to find a small amount of food is amazing.

INSECTICIDES

The use of insecticides is discouraged around food materials. Insecticides are supplementary to sanitation and proper storage. Household insecticides have no effect on insects within food packages. For extra protection, some treat seeds or grains before storage with dusts or sprays of synergized pyrethrins, labeled for this use. (Follow label directions and safety precautions.) If the problem becomes severe and widespread, contact a reputable, licensed pest control operator who has the training, experience, equipment, and insecticides to get the control job accomplished safely.

ACKNOWLEDGEMENT

HYG-2083-97

William F. Lyon

 Keith L. Smith, Associate Vice President for Ag. Adm. and Director, OSU Extension.

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CUSTOMER REVIEWS

These guys were top notch and I would recommend them to anyone in the surrounding area. I called 6 or so places to see if they could come same day for spider removal, and everyone said they were booked solid until next week. I had guests staying with me that day, so i wanted to avoid having dozens of spiders roaming around my apartment. Sam told me he'd try to squeeze me in he just had to double check. He called me back 5 minutes later and said I could expect someone in just an hour or so. They were professional, reliable and very honest.
Sophie Hasson
Sophie Hasson
04:09 08 Mar 18
Very kind service and really helpful.They care about you and your pocket. Sam was really helpful and he had a really big knowledge knowing what my problem was just seeing the photos I sent him. I'm really happy with the service if I hear someone needs a pest control service I would recommend them with no doubt!
Juan Prieto
Juan Prieto
03:45 20 Jan 18
Fantastic service with Immediate results. You won't be disappointed.He was very friendly, informative & did an awesome job today. I'll recommend Sydney's best pest control to everyone I know. Thank You ?
Elmira C
Elmira C
05:30 15 Dec 17
Awesome service. Super friendly. Incredibly thorough. Highly recommended.
Wasif Kasim
Wasif Kasim
04:10 18 Jan 18
I have done a pest control with Sydneys Best recently. It is very worthwhile, reliable and the person who came (Mr Omar) to do the job is very friendly and did the job very well. I recommend this company to any body who want to do a good job and worth for the money you are paying.
Samali Saparamadu
Samali Saparamadu
00:54 29 Aug 17
A knowledgable, friendly and efficient service. Chris was fantastic. It's so refreshing to get an honest appraisal rather than one that is only based on profit. We will definitely use them again.
Jodie Blampied
Jodie Blampied
23:56 19 Sep 18
Sam is one of the most helpful and supportive professionals I have ever met. He will go out of his way to assist you and ensure you receive the best advice regarding the most effective pest control methods available. I would thoroughly recommend Sydneys Best Pest Control without hesitation.
Karen Crowley
Karen Crowley
12:28 04 May 18
A company offering free advice, without pushing for business, is very refreshing. After examining photos of a pest problem I was experiencing, Sam from Sydneys Best Pest Control, phoned me to discuss the matter. His advice was to take my photos to my local hardware store to obtain the correct product to treat the problem myself. There was no pressure to use the services of his company.I was very impressed with Sam’s knowledge and professionalism. After this experience, I would certainly use the company for my annual pest control treatment.
Doreen S
Doreen S
11:12 15 May 18
Had this company out last year for my problem with German cockroaches. Great service, polite and reasonable. Will be using them again.
Lisa Murnane
Lisa Murnane
00:48 19 Jun 18
Wonderful services promote and reasonably priced, recommend them most definitely.
Michael Perigo
Michael Perigo
22:55 27 Jun 18
Chris arrived on time and was very friendly and professional. We did our pest control a month ago and are still seeing dead cockroaches/insects. Good results. Jardine on the phone was nice to deal with too. Would recommend them.
Carmen Lo
Carmen Lo
15:54 09 Nov 18
Prompt, efficient, courteous. I have used them in 2017 and rebooked them for 2018/2019. Highly recommend.
Herr Calypsojoe
Herr Calypsojoe
00:56 27 Nov 18
Tech was on time and did a great job. He explained what he was doing and simply got about doing the application. Would highly recommend company to anyone in he area
David Heck
David Heck
02:57 17 Dec 18
Sydney's Best Pest Control provides an exemplary and reliable service. The reason we are repeat customers is because of the high level of customer service and professionalism demonstrated. We have called on them on two occasions and each time, the work has been completed in a professional, informative, and efficient manner. Their knowledgeable technician Chris has helped implement effective solutions to our pest control issues on the ground and we appreciate the efforts made to ensure great service!
Bana AlQabbani
Bana AlQabbani
00:32 20 Dec 18
I'm so glad to have found SBPC after struggling to find a decent pest control company who is NOT all about money or take advantage of their customers. This is the best company by far and I'd dare say it's up there in the industry with other 25-30+ odd years businesses that I have encountered. You got my business and keep doing what you do best!
Quality value
Quality value
01:11 19 Feb 19
These guys live up to their name and are the best pest company I have ever had the pleasure of dealing with! I can't thank them enough! Absolutely fantastic service from the minute I sent them a query online, right through to the on-site completion of the job. They are true experts of their field. The results speak for themselves! It's been over two weeks and our home is completely pest free! A++ Highly recommended!
Matthew Welch
Matthew Welch
19:48 02 Mar 19
I’m so happy with Sydney’s Best Pest Control. They really are the best. I suspected I had a mouse in the house and Alex came out at 8am the next morning to take care of the situation. He was very friendly and thourugh and the mouse is definitely gone! Thank you so much.
Stephanie Hal
Stephanie Hal
08:17 31 Jul 19
Thank you for the assistance from the office with an emergency we had today. Sydneys best pest control offered me advice on how on can eliminate make pest issue quickly by myself.Which saved me money.Thank you. Iam sure to use you in the future
Najwa Kahwaji
Najwa Kahwaji
05:27 14 Aug 19
I was happy with the service provided by Sydney's Best Pest Control. Easy to make a booking and the technician was on time, friendly, informative and did his job efficiently. I did find that they called and emailed more times than I would have liked, and although they offer warranty, I felt they were quite reluctant and offended when I asked for the technician to come back after I was concerned with still seeing cockroaches running around 6-8 weeks later. I still highly recommend the company, as their product is great and they were professional. I would book them again if we move.
Claire Lozano
Claire Lozano
10:53 21 Aug 19
Alex is amazing... was very kind, helpful and thorough. He got the job done professionally and even left a towel to wipe his shoe marks at the front entrance. Will definitely come back for future services.
Josh
Josh
05:26 30 Sep 19
Great from start to finish. I sent an online query - within a few minutes someone called me and booked in a time. The gentleman came out discussed everything with me and did the work.
Kristina M
Kristina M
05:46 16 Sep 19
Amazing and very thorough job! The technicians were very friendly, helpful and knowledgeable. The team helped me to identify exactly what pest control I needed for my property and did a fantastic job. Highly reccomended
Nita Paterson
Nita Paterson
23:10 03 Oct 19
Amazing job ! I was trying to get rid of cockroaches for a long time! I think I tried all the products and methods on the planet to kill them. They always came back! I was dealing with the German one, a nightmare! My last chance was to call a professional and I contacted Sydney Pest Control ... I still can't believe it .. they are gone ! They have done a fantastic job.. they are definitely gone! This is worth every cents!Highly recommend their service. Just do it now instead of losing your time and money with other products/ service!
Sandrine Zawadzki
Sandrine Zawadzki
00:08 16 Oct 19
A good adjective for the noun...Indeed, Sydney's best pest-control service!Thumbs up to Uncle Sam and his team!
Haytham Wafa
Haytham Wafa
05:12 16 Oct 19
Today 19th November, 2019 Mohammed and Harry serviced our home. They were both efficient, pleasant, it was enjoyable to have such nice workers here. I recommend them. Helen
Helen Fastovsky
Helen Fastovsky
23:44 18 Nov 19

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