please identify these species or tell me the key point for identify Entiminae,thank you.
It is necessary to add the aedeagus for a correct identification
I am unable to help you, but I would suggest, however, always specify the region where the specimens were collected, and their size (length). Regards,
Rinaldo Nicoli
For me it is Sitona humeralis too, but for that it is necessary to know the Region.
Yes Stephen, you are right. There are different specimens. Photo 4 could be S. humeralis.
Yes Stephen, these are three species,all were colleced on Astragalus membranaceus in China Gansu province,the big one length is about 1cm ，the middle one is 0.7cm and the litte one is 0.4 or so, it is so difficult to identify of them.
It is necessary to add the aedeagus for a correct identification
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