The Phylum Arthrodopa includes the Class Insecta. Other non-insect classes include spiders, scorpions, whipscorpions, harvestmen, ticks, mites, sea spiders, crustaceans, millipedes, centipedes, pauropods and symphylans.

Tailless whipscorpion run sideways on six legs, with their front pair having specialized ferocious pincers to catch its prey. Active at night, these spider relatives have no silk glands of poisonous fangs but rely on stealth, speed and very sharp jaws. Their whipscorpion relatives also lack poison glands although are able to spray their prey with a mixture containing acetic acid.

The Phylum Arthrodopa includes the Class Insecta. Other non-insect classes include spiders, scorpions, whipscorpions, harvestmen, ticks, mites, sea spiders, crustaceans, millipedes, centipedes, pauropods and symphylans.

Pet named Clara, this fine lady was a popular conversation topic at the Butterfly Lodge in Eastern Ecuador. Constructing her elegant silk funnel web at the entrance to the dinning room, this female tarantula spider usually moved extremely slowly and was protected by a coat of irritation causing hairs. Although most silk production utilized the cocoons of silk moths, man has experimented using spider silk in the past.

The Phylum Arthrodopa includes the Class Insecta. Other non-insect classes include spiders, scorpions, whipscorpions, harvestmen, ticks, mites, sea spiders, crustaceans, millipedes, centipedes, pauropods and symphylans.

Diplopoda in Greek means two legs. Millipedes possess two pair of short legs per visible body segment. They are characteristically slow movers and are usually found in damp leaf litter, rotting wood or soil. As part of their defensive behavior, they roll up in a ball to protect their softer underside surface and exudes protective hydrogen cyanide fluid from its sides when disturbed. This Indonesian millipede displays a classic yellow and black warning coloration advertising the chemical line of defense it will unleash if disturbed.

The Phylum Arthrodopa includes the Class Insecta. Other non-insect classes include spiders, scorpions, whipscorpions, harvestmen, ticks, mites, sea spiders, crustaceans, millipedes, centipedes, pauropods and symphylans.

Spiders differ from insect in that they have eight legs rather than six. This small tropical jumping spider is a proficient day hunter that does not rely on webs to catch its prey. Two of the eight eyes are large and forward facing giving this spider good binocular vision. Using strong hind legs, these spiders hunt by stalking and leaping on its victims while trailing a safety line of silk behind them. Spiders are extremely important in keeping insect populations under control.

The Phylum Arthrodopa includes the Class Insecta. Other non-insect classes include spiders, scorpions, whipscorpions, harvestmen, ticks, mites, sea spiders, crustaceans, millipedes, centipedes, pauropods and symphylans.

This pisaurid fishing spider from Ecuador displays a characteristic curved row of posterior eyes. Fishing spiders are most frequently found around water and are capable of dashing across the surface of a stream without breaking the surface tension. These large Ecuadorian spider inhabited the steep banks of a tropical creek. The females carried around her neatly spun orange egg sac wherever she went to ensure the safety of her precious cargo. Some astrologers consider Arachne the lost thirteenth sign of the zodiac.

The Phylum Arthrodopa includes the Class Insecta. Other non-insect classes include spiders, scorpions, whipscorpions, harvestmen, ticks, mites, sea spiders, crustaceans, millipedes, centipedes, pauropods and symphylans.

Tailless whipscorpion run sideways on six legs, with their front pair having specialized ferocious pincers to catch its prey. Active at night, these spider relatives have no silk glands of poisonous fangs but rely on stealth, speed and very sharp jaws. Their whipscorpion relatives also lack poison glands although are able to spray their prey with a mixture containing acetic acid.