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| » Stats |
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Top Poster: glsammy (15,069) | | Welcome to our newest member, Ye Olde Justin | |  | 
14-06-2011, 07:57 AM
|  | Commander of the Wild Empire | | Join Date: Jun 2009 Location: SW London
Posts: 2,099
| | | Ladybird IDs and a question... Seen yesterday - a two spot? 
Seen recently - but conifers not very near - how far do they roam assuming these are Pine ladybirds?
And the question - this seems to be a harlequin.
I've seen two (or this same one twice) in the past week and it's the same size as the Pine/Two spot around 5mm long. Couldn't get a photo of it near another ladybird which would show the size difference. Does dwarfism occur in beetles? Or is there some other reason for this one being about a third of the 'volume' of a normal harlequin.
I've seen some Seven spots too, that seem to be much larger than usual.
__________________ Listen out for meaning, listen out for truth, listen out for life. Listen out for the birds. | 
14-06-2011, 08:10 AM
|  | Commander of the Wild Empire | | Join Date: Nov 2010 Location: Hayes, Middlesex
Posts: 3,712
| | | Re: Ladybird IDs and a question... Both your IDs are correct.
I've seen recently a number of different Harlequins of different sizes as well
According to the Harlequin Survey site, they say if it's less than 5mm it's definately NOT a Harlequin: Harlequin Ladybird Survey - Recognition and Distinction
Maybe yours is borderline on size but it's definately a Harlequin!
And maybe something affected it's growth whilst pupating? Just guesses
Nige | 
14-06-2011, 09:15 AM
|  | Knight Commander of the Wild Empire | | Join Date: Oct 2005 Location: Sheffield, FPRSY
Posts: 7,655
| | | Re: Ladybird IDs and a question... Yes, the second picture is a 'pine ladybird' which is seldom seen on pine trees - much more common on sycamore or lime where it eats scale insects.
The last picture is a harlequin (Harmonia axyridis) which are nominally quite large (7mms or more) but over recent years have tended to be smaller which I attribute to malnutrition: so many of them competing for limited food resources. The other point is that as with all ladybirds and, indeed, most insects, there is sexual dimorphism of size: males tend to be considerably shorter than females. |  | | | Thread Tools | | | | Display Modes | Linear Mode |
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