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Entomology (Study of Bugs)/Identification of coleopterans

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Question
Limnichidae
Limnichidae  

Hydrophilidae
Hydrophilidae  
Hello,

I wanted to know which genus of Order: Coleoptera, Family: Limnichidae are found in freshwater in Gujarat,India. I have found one of which I am attaching a picture also. It will of great if you can help me on this.
I am also attaching one picture of a hydrophilid. I would request if you can help me identify its genus.

Thanking you.

Chandni

Answer
Dear Chandni,

Unfortunately there are not many identification keys to identify Limnichidae, rather most of the beetles, without the specimen in hand. I can only help you narrow down on Bryyhunis sp. which has several species found in India. You can refer to: http://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1196&context=insectamu
and http://www.landesmuseum.at/pdf_frei_remote/KOR_69_1999_0103-0110.pdf

As for the Hydrophilidae, could you also check whether it is Noteridae or possibly Dytiscidae?

ZSI has a checklist of aquatic beetles, in case you would like to refer to it: http://zsi.gov.in/checklist/checkist%20of%20aquatic%20coleoptera.pdf

I hope this helps.

Sincerely,
Aniruddha

Entomology (Study of Bugs)

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Aniruddha Dhamorikar

Expertise

I will answer general identification questions about insects and spiders ONLY from India. I cannot guarantee specific identification (of species), but I will try my best! If I do not have the answer, I will get back to you on the right answer as soon as possible.

Experience

I have been studying fauna of Indian for several years, as a hobby as well as academically.

Education/Credentials
B.Sc. Zoology M.Sc. Environmental Science M.E.S.

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