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ID Tiny black bug with yellowish spots. Solved: young Nezara viridula shieldbug

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Offline Petrea

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« on: June 24, 2017, 18:11 PM »
I found a large group of these little critters  (4-5 mm) in a flower of my Campsis grandiflora (which unfortunately is very prone to the nasty aphids  :banghead:). My first thought was that they were a kind of ladybirds. Wishful thinking I believe now: the front end is quite different from the ladybirds of which I have been able to Google photos.

I still hope that they eat aphids! Is that the case (what are they)?

Saludos
Petrea
« Last Edit: June 25, 2017, 18:26 PM by Petrea »
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Offline Clive

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« Reply #1 on: June 25, 2017, 11:47 AM »
Having spent the last hour or so searching google images with every combination of "beetle, yellow, spots, black, etc etc etc" I have come up with absolutely nothing that resembles your bug, beettle, ladybird...... :(
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Offline Petrea

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« Reply #2 on: June 25, 2017, 12:14 PM »
Hurray, a new species!!!   ;)

(thanks for your efforts!)
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Offline parthenope

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« Reply #3 on: June 25, 2017, 17:45 PM »
It's the mid instar larva of a Shield Bug, (rather than a Beetle), though I'm not sure which species it is!
It looks a little bit like a Southern Green Shieldbug - Nezara viridula but not quite. Have a look here to see what I mean  ;)

https://www.britishbugs.org.uk/heteroptera/Pentatomidae/nezara_viridula.html

(Scroll down to the mid instar images)

Hope that helps
Steve

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Offline Clive

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« Reply #4 on: June 25, 2017, 18:04 PM »
Wow! the mid instar with the 4 orange spots is spot on!!!!! Well done Steve! :)
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Offline Petrea

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« Reply #5 on: June 25, 2017, 18:30 PM »
Damn, it eats my plants then, not the bl....  aphids!  >:(

Thanks, Steve.
Petrea
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Offline parthenope

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« Reply #6 on: June 25, 2017, 19:20 PM »
Thanks Clive/Petrea,

Have a look at the 3rd Instar drawing of the Southern Shield Bug in the chart below........it fits with the photograph very well

https://www.britishbugs.org.uk/heteroptera/idcards/life_stages

All the best
Steve

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