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Pierre
Member Rosenbergia

Switzerland
1755 Posts
Posted - 17/07/2023 :  09:10:24  Show Profile  Email Poster  Reply with Quote



115.1 KB


143.11 KB

Un couple faisant partie d'un lot de Xylotrechus du sud-ouest de l'Inde (état de Kamataka). Je suppose que les deux appartiennent à la même espèce, malgré une coloration très variable d'un individu à l'autre.
Mâle 14mm, femelle 13mm

Xaurus
Member Rosenbergia

Germany
1924 Posts
Posted - 18/07/2023 :  01:06:28  Show Profile  Email Poster  Reply with Quote
the spm above should be Xylotrechus smei !
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Pierre
Member Rosenbergia

Switzerland
1755 Posts
Posted - 18/07/2023 :  05:15:30  Show Profile  Email Poster  Reply with Quote
So you think these are 2 different species?
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Xaurus
Member Rosenbergia

Germany
1924 Posts
Posted - 18/07/2023 :  23:34:07  Show Profile  Email Poster  Reply with Quote
not really, have a look to the topic (esp. abdominal tomentation): https://www.cerambycoidea.com/forum/topic.asp?TOPIC_ID=28011&SearchTerms=stebbingi
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Pierre
Member Rosenbergia

Switzerland
1755 Posts
Posted - 19/07/2023 :  07:35:58  Show Profile  Email Poster  Reply with Quote
Abdominal segments 1 to 3 have white triangular lateral spots. Tarsi dark (4 ex. like the depicted male) or red (the female shown here).
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Xaurus
Member Rosenbergia

Germany
1924 Posts
Posted - 20/07/2023 :  00:09:43  Show Profile  Email Poster  Reply with Quote
so both should be X. smei, the color is a variable character
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Pierre
Member Rosenbergia

Switzerland
1755 Posts
Posted - 20/07/2023 :  07:11:54  Show Profile  Email Poster  Reply with Quote
Ok, fine. Thank you!
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