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09.022014November 14, 2018
A dangerously exciting beetle – the Spanish Fly

A dangerously exciting beetle – the Spanish Fly

By Chris JacobsIn Evolution, Insects, sexual behaviour, UncategorizedTags aphrodisiac, bug identification, cantharidin, insect, spanish fly

Recently I obtained an ancient sample from a pharmacy in the Netherlands, a small jar filled with green beetles. As you can see, they are...

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11.122013November 14, 2018
Knock, Knock Who’s there? – a ferocious snail eating beetle!

Knock, Knock Who’s there? – a ferocious snail eating beetle!

By Chris JacobsIn Evolution, General, InsectsTags beetle, bug identification, Drilus, Snail

Knock, Knock Who’s there? It is Drilus. Drilus who? Drilus, I am going to eat you! Bad jokes aside, Drilus is serious about eating someone....

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11.102013November 14, 2018
What species of insect is this? Number 3!

What species of insect is this? Number 3!

By Chris JacobsIn Insects, What species of insect is this?Tags bug identification, determination, Ocypus olens, species, the Devil's Coach Horse

Sebastian Verschoor asked me what species of insect this is: Well this one I knew immediately. That is because it drew my attention while browsing...

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20.092013November 14, 2018
What species of insect is this? Number 2!

What species of insect is this? Number 2!

By Chris JacobsIn What species of insect is this?Tags determination, insect, western conifer seed bug

Marc de Jager found a weird looking insect in his bedroom in Oktober 2012. He wanted to know what species of insect he had found....

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04.092013November 14, 2018
Is the Venezuelan Poodle Moth as soft and cuddly as it looks?

Is the Venezuelan Poodle Moth as soft and cuddly as it looks?

By Chris JacobsIn General, InsectsTags cuddly, insect, Venezuelan Poodle Moth

Linda Maas asked me: “Is the Venezuelan Poodle Moth as soft and cuddly as it looks?”. As you can see in the picture below, it...

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30.082013November 14, 2018
The Island of Giant Killer Insects! – Gigantism and dwarfism

The Island of Giant Killer Insects! – Gigantism and dwarfism

By Chris JacobsIn Evolution, General, Insects, Island theoryTags Dwarfism, Gigantism, insect, Island theory

A dear friend of mine, Tim Hanse, asked me why insects on small islands become larger than on the mainland. This question immediately calls into...

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30.082013November 14, 2018
What species of insect is this? – The house centipede

What species of insect is this? – The house centipede

By Chris JacobsIn GeneralTags Chilopoda, Key, Myriapoda, the house centipede

Recently, a visitor of my website sent me a question. Antonius wanted to know what species of insect he had found and send me this...

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30.082013November 14, 2018
How insects conquered land

How insects conquered land

By Chris JacobsIn Desiccation, development, egg, Evolution, InsectsTags desiccation, evolution, extraembryonic, serosa, Tribolium castaneum

Three quarters of all species are insects and this enormous diversity is attributed to the incredible ability of insects to adapt to any circumstance. Insects...

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30.082013November 14, 2018
Surviving embryogenesis – Infection

Surviving embryogenesis – Infection

By Chris JacobsIn development, egg, Evolution, Immunity, InsectsTags development, Drosophila melanogaster, egg, extraembryonic, immunity, Tribolium castaneum

Insects lay eggs, for most insects their role as parents stops there. The eggs have to fend for themselves as soon as they are laid....

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30.082013November 14, 2018
Armed and Invasive! – the Asian ladybird

Armed and Invasive! – the Asian ladybird

By Chris JacobsIn Evolution, Immunity, InsectsTags immunity, invasive, ladybird, parasite

In an effort to control aphids and other pests, the multi-coloured Asian ladybird (H.axyridis) was introduced into many other regions of the world. The name...

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