Entomology (Study of Bugs)/Beetle Identifiation

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Question
Beetle
Beetle  

Beetle
Beetle  
Hello, I am Rachel and i am from the UK. Every evening in the summer we get these huge buzzing beetles flying around and we would like to know what they are and if they are dangerous or harmless. Thank you!

Answer
Dear Rachel - Your beetle is in the family Scarabaeidae, and is of the type collectively known as chafers. Specifically, it appears to be Amphimallon solstitiale , known as the summer chafer - see http://en.wikipedia.org/wiki/Amphimallon_solstitiale.  The beetles themselves are harmless, but their larvae (grubs) have been reported as causing seriously damage the underground parts of plants, predominantly on newly cultivated or poorly worked lands.

Hope this helps,
Saugy

Entomology (Study of Bugs)

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Ed Saugstad

Expertise

Will accept most questions in general entomology, including those related to medical entomology, taxonomy, ecology, arthropod surveillance, and pest management. If you are requesting a 'mystery bug' identification, PLEASE either attach an image to your question, or post an image on a web page (such as Flickr) so that I can look at it, as verbal descriptions frequently are insufficient for a definitive identification.

Experience

21 years in the U.S. Army as a medical entomologist; duties varied from surveillance of pest populations (including mosquitoes, cockroaches, ticks, and stored products pests) to conducting research on mosquito-virus ecological relationships and mosquito faunal studies. Ten years as a civilian analyst for the Department of Defense, primarily on distribution of vector-borne diseases worldwide. Limited experience on surveillance of agricultural insects in North Dakota and Indiana.

Organizations
Entomological Society of America, West Virginia Entomological Society, Society for Vector Ecology, National Speleological Society, West Virginia Association for Cave Studies.

Publications
American Journal of Public Health, Contributions of the American Entomological Institute, Japanese Journal of Sanitary Zoology, Journal of Economic Entomology, Mosquito News, and Mosquito Systematics.

Education/Credentials
B.S. in entomology from North Dakota State University in 1963, M.S. in entomology from Purdue University in 1967.

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