Diptera.info :: Identification queries :: Other insects, spiders, etc.
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 Shield-backed bug Odontotarsus sp?
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| nick upton |
Posted on 30-11-2010 22:23
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Member Location: Wiltshire, UK Posts: 819 Joined: 12.03.10 |
Is anyone familiar with this bug?. I'm pretty sure it's of the family Scutelleridae and an Odontotarsus sp. either O. robustus or O. pupureolineatus. Can anyone confirm this and say which one it is. I think both are recorded for Corsica 29.5.2010 Corsica c 10mms at c 500m altitude on Crown daisy. nick upton attached the following image:  [126.73Kb] Edited by nick upton on 30-11-2010 22:23 Nick Upton - naturalist and photographer |
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| nick upton |
Posted on 30-11-2010 22:24
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Member Location: Wiltshire, UK Posts: 819 Joined: 12.03.10 |
Top view
nick upton attached the following image:  [148.83Kb] Nick Upton - naturalist and photographer |
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| jorgemotalmeida |
Posted on 01-12-2010 05:44
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 Member Location: Viseu - PORTUGAL Posts: 9296 Joined: 05.06.06 |
Scutelleridae. Odontotarsus.. http://naturdata....telleridae Edited by jorgemotalmeida on 01-12-2010 05:45 |
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| nick upton |
Posted on 01-12-2010 12:01
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Member Location: Wiltshire, UK Posts: 819 Joined: 12.03.10 |
Thanks Jorge. Seems you agree I got the right genus, and maybe your guess is as good as mine re the species. I think it's probably O. purpureolineatus (it certainly has some purple lines/ stripes) but I've seen pics of O. robsustus (allegedly) looking veery similar and as usual I don't have a key to know what really separates them!
Nick Upton - naturalist and photographer |
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| nielsyese |
Posted on 02-12-2010 18:59
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 Member Location: Yerseke, NL Posts: 2348 Joined: 13.02.09 |
Chiave delle specie italiane del genere Odontotarsus Laporte, 1833 1. Scutello che supera di gran lunga l'estremità dell'addome con una appendice spesso rialzata ............................................... Odontotarsus caudatus (Burmeister, 1835) - Scutello senza appendice vistosamente allungata o rialzata............................. 2 2. Le due grandi linee che si trovano sullo scutello in posizione caudale si piegano ad angolo divergendo sensibilmente ................ Odontotarsus robustus Jakovlev, 1883 - Le due grandi linee sullo scutello in posizione caudale sono pressoché diritte e divergono progressivamente........................... Odontotarsus purpureolineatus (Rossi, 1790) I only have this Italian one. Try it! I'd say O. purpureolineatus. Bye, Niels. |
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| nick upton |
Posted on 02-12-2010 21:52
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Member Location: Wiltshire, UK Posts: 819 Joined: 12.03.10 |
Molto bene. Grazie mille! The distinction seems to rely on how the 2 major lines on the back diverge from the rear end of the extended scutellum. In O. purpureolineatus they should be almost parallel at first and then diverge progressively (As they seem to in my image) , in O. robustus they bend outward more form the start (as in this image http://www.biolib.cz/en/image/id26056/) I already thought O. purpureolineatus looked the closest from the photos i've seen and unless I've translated the key wrong , it suggests that ID is correct. Many thanks again for finding the key. Nick Upton - naturalist and photographer |
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