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Archive for July, 2017

w28

Week 28 already! What happened to time, more than half of the year has passed already and now the days are now getting shorter and darker again.. Not that we notice it, in the midst of Summer! 🙂

Here’s a mix of pictures of bugs enjoying the good weather we have here in Amsterdam-

Drone fly (Eristalis tenax)

A handsome fly.. Coolest guy in the park at least

This is a famous lookout point in the park, all bug tourists come here to admire the view

A female Yellow-barred long-horn moth (Nemophora degeerella)

Scorpionfly (Panorpa communis)


dock

Two close-up shots of a female Green dock beetle (Gastrophysa viridula), showing off her metallic shimmer, which can be gold green, blue, purple, violet, or red (depending on the light).

Why the name “dock” beetle? Because they mainly feed on dock and green sorrel. This makes them natural biological controllers and an ally to organic farmers (and an enemy of gardeners, as rhubarb is a dock plant).

How do I know it’s a female? Firstly, because she’s bigger (7 mm) than a male (~ 4 mm). Secondly, because she’s heavily pregnant! In the second picture, you can see that it looks like the her clothes are several sizes too small for her body, she’s so big that the wing cases have been totally displaced. She’s about to lay 1,000 eggs (yikes) that look like tiny rugby balls. More info & pictures in this blog post here.


caterpillars

Look what I found! Cinnabar moth (Tyria jacobaeae) caterpillars, aren’t they beautiful? They’re also very useful and have been successfully introduced to several continents to control ragwort. Their bright colors are like a warning sign to birds and other potential caterpillar-eaters. If a bird would eat one anyway, it’ll learn its lesson and never do it again because they taste awful from eating the poisonous ragwort.

These guys are almost ready to go into cocoon, and when they come out they’ll look like this: /tyria-jacobaeae/

I hope I get a chance to photograph them as moths as well, and I’ll bring my camera with me next time.. These shots were taken with my phone:

Just when the caterpillar thought the world was over, it became a butterfly moth :)