Hello,
here is another carabid beetle found in last year:
Length of body: 3,8 mm
What species is it?
Best regards
G.
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| Trechus obtusus/quadristriatus - Carabidae http://www.entomologiitaliani.net/public/forum/phpbb3/viewtopic.php?f=242&t=66260 |
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| Autore: | GrzegorzG [ 18/01/2016, 15:28 ] |
| Oggetto del messaggio: | Trechus obtusus/quadristriatus - Carabidae |
Hello, here is another carabid beetle found in last year: Length of body: 3,8 mm What species is it? Best regards G. |
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| Autore: | GrzegorzG [ 19/01/2016, 11:46 ] |
| Oggetto del messaggio: | Re: Little Carabidae to ID 2 |
Could it be Perigona nigriceps ? Best regards G. |
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| Autore: | Notoxus59 [ 19/01/2016, 15:09 ] |
| Oggetto del messaggio: | Re: Little Carabidae to ID 2 |
GrzegorzG ha scritto: Could it be Perigona nigriceps ? Best regards G. No, its a Trechus: o T. obtusus o T. quadristriatus |
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| Autore: | GrzegorzG [ 20/01/2016, 21:08 ] |
| Oggetto del messaggio: | Re: Little Carabidae to ID 2 |
Thanks Augusto. I know that: T. obtusus has no wings, or very tiny ones while T. quadristriatus has full wings. Do you know another feature which let me to determine to species level ? Best regards G. |
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| Autore: | magosti [ 21/01/2016, 1:48 ] |
| Oggetto del messaggio: | Re: Trechus obtusus/quadristriatus - Carabidae |
The presence/absence of full wings is a good character. You can also check the position of the second orbital stria. Check #5 at this link 
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| Autore: | Rafał Celadyn [ 21/01/2016, 12:44 ] | ||
| Oggetto del messaggio: | Re: Trechus obtusus/quadristriatus - Carabidae | ||
GrzegorzG ha scritto: Do you know another feature which let me to determine to species level ?  KdOOP_Coleoptera_Carabidae_Bembidiinae_Trechinae_cz_XIX_zesz_3b_nr_82.pdf http://baza.biomap.pl/pl/getpdf/KdOOP_C ... _nr_82.pdf index elytra~1,466666...=quadristriatus Rafał
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| Autore: | GrzegorzG [ 21/01/2016, 17:09 ] |
| Oggetto del messaggio: | Re: Trechus obtusus/quadristriatus - Carabidae |
Dzięki Rafał  Nie miałem tego klucza ... Best regards G. |
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