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IF YOU ARE EASILY UPSET PROBABLY BEST NOT TO READ THIS SET OF NOTES.
After yesterdays posting of the sort of ichneumon that lays its eggs next to a grub/caterpillar, this one is the other sort. The feamale finds a caterpillar it prefers cabbage white butterfly ones( but my book also says its not bothered what sort, though hairy ones must be less likley to be attacted IMO) and injects upto 150 eggs into a young caterpillar which hatch inside and start to eat the non-essential parts allowing the poor caterpillar to stay alive and put on some growth though the will be smaller than simular age un-parasitised ones. As they reach near maturity they then eat the more important pieces to slow the host down and then bore their way out and form groups of little yellow pupae which is how most people encounter this particular parasitic wasp.the poor host catapillar at this point dies.In certain year it is thought that upto 80% can be so afflicted.
adjustments.
saturation +14 lightness -6
brightness -3 contrast +3 sharpen edges fade back to 75%
crop to 28.22cm @72 dpi save to web 193k

kikvel, milloup has marked this note useful

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Additional Photos by Robert Brown (RobBrown) Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 389 W: 57 N: 304] (1797)
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