3,5 mm
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| Forum Entomologi Italiani http://www.entomologiitaliani.net/public/forum/phpbb3/ |
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| Cryptocephalus (Cryptocephalus) marginatus Fabricius, 1781 cf. - Chrysomelidae http://www.entomologiitaliani.net/public/forum/phpbb3/viewtopic.php?f=146&t=90547 |
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| Autore: | Orotrechus [ 04/06/2020, 18:11 ] | ||
| Oggetto del messaggio: | Cryptocephalus (Cryptocephalus) marginatus Fabricius, 1781 cf. - Chrysomelidae | ||
3,5 mm
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| Autore: | pedux [ 04/06/2020, 18:44 ] |
| Oggetto del messaggio: | Re: Cryptocephalus da id. |
Cryptocephalus parvulus  o maschio di Cryptocephalus marginatus
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| Autore: | Chalybion [ 04/06/2020, 21:17 ] |
| Oggetto del messaggio: | Re: Cryptocephalus da id. |
Io aggiungerei anche janthinus ... 
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| Autore: | Orotrechus [ 05/06/2020, 9:49 ] |
| Oggetto del messaggio: | Re: Cryptocephalus da id. |
Io l'avevo identificato come janthinus, ma non ne ero convinto. Comunque grazie. Mario |
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| Autore: | Lech Borowiec [ 05/06/2020, 13:04 ] |
| Oggetto del messaggio: | Re: Cryptocephalus da id. |
It can't be Cr. janthinus because he has no flattened margins of pronotum and has much shorter antennae; male of C. janthinus has yellow anterior margin of pronotum (your specimen is probably a male due to elongate first tarsal segment of fore tarsi). Compare: http://www.cassidae.uni.wroc.pl/Colpolo ... thinus.htm Cr. marginatus, male is a better choice: http://www.cassidae.uni.wroc.pl/Colpolo ... inatus.htm Cryptocephalus parvulus is also possible but has very strong pronotal punctation: http://www.cassidae.uni.wroc.pl/Colpolo ... rvulus.htm Unfortunately in your photo details of pronotal punctation are invisible. Cr. androgyne is also similar, but I don't know if this species is recorded from Italy; this is a northern species: http://www.cassidae.uni.wroc.pl/Colpolo ... rogyne.htm |
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