3.5 mm
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| Forum Entomologi Italiani http://www.entomologiitaliani.net/public/forum/phpbb3/ |
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| Caryedon sp. - Bruchidae http://www.entomologiitaliani.net/public/forum/phpbb3/viewtopic.php?f=245&t=51595 |
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| Autore: | Mantispid [ 24/02/2014, 9:20 ] | ||
| Oggetto del messaggio: | Caryedon sp. - Bruchidae | ||
3.5 mm
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| Autore: | Lech Borowiec [ 24/02/2014, 10:01 ] |
| Oggetto del messaggio: | Re: Bruchidae |
It is a member of the genus Caryedon, tribe Pachymerini. Species identification possible only by study of male genitalia. |
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| Autore: | Mantispid [ 24/02/2014, 10:07 ] |
| Oggetto del messaggio: | Re: Bruchidae |
Thank you, Lech! This is male? I can try to get genitals. 
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| Autore: | Lech Borowiec [ 24/02/2014, 10:15 ] |
| Oggetto del messaggio: | Re: Bruchidae |
it is difficult to say. In Pachymerini sexual dimorphism is manifested mainly by structure of abdomen, Males has more convex pygidium and emarginate apex of last sternite. In Bruchidae (or Bruchinae) diagnostic characters in male genitalia are inside penis, especially in Caryedon internal sac is armed with spectacular thorns, spines, needles etc. thus preparation of genitalia need special techniques (lightening of preparation in xylene). |
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| Autore: | Mantispid [ 24/02/2014, 10:36 ] |
| Oggetto del messaggio: | Re: Bruchidae |
Ok, thank you! Looks like it's a male. I now have no possibility to apply this technique.  Maybe another time. |
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