History & Facts about Insects

Interesting Facts about Insects?
Insects have been around for at least 380 million years, before even the dinosaurs! We know about these ancient insects from fossils. Some of these extinct forms were very large indeed: a group of insects called palaeodictyopterans, which looked like giant cockroaches and lived about 250 million years ago, had wingspans up to 56 cm! Even larger were the giant dragonflies that lived at the same time; these had wingspans up to 71 cm! Informative Videos related to Insects.

Biggest, Heaviest & Smallest ?

--> The biggest wingspan of any insect living today is about 35 cm for the hercules moth (Coscinocera Hercules) of Australia.

--> The heaviest insect is probably the goliath beetle (Goliaths goliath) of Africa, which is reputed to weigh up to 100 grams (more than a small bird)! We have an insect in New Zealand, the giant weta or wetapunga (Teniacide heteracantha, only found today on Little Barrier Island), which is very big and can weigh up to71 grams.

--> At the other end of the scale, there are very tiny wasps called my arid wasps (fairy flies) which are less than 0.4 mm in length, and these are regarded as the smallest insects.

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Information About Dinosaurs

Hi Everyone,
Information on History of Dinosaurs:

• The Age of Dinosaurs corresponds to the time that geologists call the Mesozoic Era, from about 248-65 million years ago.
  

• The Mesozoic Era is divided into three shorter time spans: -- the Triassic, Jurassic, and Cretaceous Periods.
  

• In the Triassic Period, 248-208 mya(million years ago), the dinosaurs began to evolve.
  

• During the Jurassic Period --about 208-144 mya, the dinosaurs reached their greatest size.
  

• The Cretaceous Period is when dinosaurs were at their most varied--about 144-65 mya.
  

• In the Cretaceous Period, Laurasia and Gondwana split, and the continents as we know them began to form.
  

• In the Mesozoic Era, the major land-masses gradually moved across the globe in a process known as "continental drift.

Dinosaurs Video Sites worth visiting.