Diptera.info :: Identification queries :: Other insects, spiders, etc.
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 Tachysphex obscuripennis by W. Heitmans
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| Isidro |
Posted on 29-06-2008 13:47
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Member Location: Zaragoza, Spain Posts: 2088 Joined: 26.04.07 |
Maybe Sphecidae s. l. Yesterday. La Pe?a, Huesca, NE Spain. About 500 meters high. Mix of mediterranean and alpine climate. Habitat: clear forest of Quercus faginea and other trees. Size: about 14 mm (more or less the same than a Polistes).  What species can be? Thanks. Regards Edited by Isidro on 30-06-2008 13:25 |
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| Jose Luis RC |
Posted on 29-06-2008 15:03
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Member Location: Andalucía-España Posts: 43 Joined: 19.04.08 |
Probably Sphex. Regards. |
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| Isidro |
Posted on 29-06-2008 15:42
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Member Location: Zaragoza, Spain Posts: 2088 Joined: 26.04.07 |
Thanks.. very small for a Sphex! |
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| Jose Luis RC |
Posted on 29-06-2008 17:31
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Member Location: Andalucía-España Posts: 43 Joined: 19.04.08 |
The genre Sphex, beside being in almost quite the planet, your size is between 10 and 32mm. |
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| Christian Schmid-Egger |
Posted on 30-06-2008 06:24
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Member Location: Germany, Berlin Posts: 233 Joined: 05.08.05 |
Its not a Sphex, but a member of the subfamily Astatinae (Crabronidae). I am not really sure about the genus, but Astata is probable. I also thought on Larra, because of the size, but Larra normally takes Gryllotalpa for prey. Sphex is preying large Ensifera. Regards, Christian |
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| cthirion |
Posted on 30-06-2008 09:23
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Member Location: Awirs (Flémalle) Belgique Posts: 901 Joined: 13.08.04 |
Astata: predator of the Heteroptera!
cthirion |
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| Paul Beuk |
Posted on 30-06-2008 10:01
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 Super Administrator Location: Netherlands Posts: 19403 Joined: 11.05.04 |
According to my colleague (W. Heitmans), specialist bof cockroaches: Tachysphex obscuripennis on Ectobius pallidus nymph (male, last nymphal stage).
Paul - - - - Paul Beuk on https://diptera.info |
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| Isidro |
Posted on 30-06-2008 13:24
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Member Location: Zaragoza, Spain Posts: 2088 Joined: 26.04.07 |
Thanks everybody! The cockroach was already identified (E. pallidus is common in my zone) but the wasp would be impossible for me without your help. I don't know these specific relationships between predator and prey, I thinked that these wasps was less specific. Thanks again. Regards |
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| cthirion |
Posted on 01-07-2008 22:17
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Member Location: Awirs (Flémalle) Belgique Posts: 901 Joined: 13.08.04 |
Tachysphex panzeri also predator of the Blattodea!
cthirion |
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| Christian Schmid-Egger |
Posted on 02-07-2008 06:30
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Member Location: Germany, Berlin Posts: 233 Joined: 05.08.05 |
I think it is not possible to identify Tachysphex (or related genus) by photo. Tachysphex occurs with appr. 50-60 sp. in Southern Europe, and species ID even with pinned specimens is really difficult. Regards, Christian |
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