Currently there are 32, but as many more are discovered each year that could certainly change in the future. The link below lists all the orders.
There are many paristes that attack insects from many orders such as Flies, Wasps and Stylopids just to name a few. Catterpilars are one of mayny insects commonly attacked but many parasites are host specific.
beetles and butterflies
the largest order of insects are the beetles but i don't know the rest.
All insects are not in the same order, they are in the same class, Insecta, but below that they are different, I think there are 20-30 different orders of insects.
By many orders of magnitude - the insects. It has been said that there are more species of insects than all other species combined - and scientists are sure we have not discovered all of them yet (many new species are discovered each year).
As they are unknown, the exact answer is unknown. However an estimate might be one or two orders of magnitude times the number of ones we know (most of which will be insects).
There have been over 4,500 insect stamps issued throughout the world. These stamps show over 1,800 types of insects and are collectible.
They're not. Bugs and insects are different orders of animals. Insects are arthropods; comprising head, thorax and body, normally with 2 pairs of wings and 3 pairs of legs. Bugs do not have these traits ie, a centipede an earwig or a tick is a bug.
Arachnids (spiders, scorpions, etc) crustaceans (crabs, etc), myriapodas (milipede and centipedes)
Executive Orders has 874 pages.
Last Orders has 304 pages.