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Venom List - Info on venomous creatures Category: Animals and Nature > Venomous creatures Date & country: 23/03/2011, UK Words: 31

Aculeus
the actual hypodermic needle-like singer on the Telson.

Arborial
living on trees and other large plants. Centruroides species tend to be arborial.

Book lung
a simple type of lung found in spiders and scorpions. Easily seen on the underside of both

Carapace
hardened plate the covers the prosoma dorsally (the head)

Cephalothorax (or Prosoma)
otherwise known as the head, this are where the eyes are located.

Chela
The claw of a scorpion. Including the Tibia and Tarsus.

Chelicera (pl., chelicerae).
the little claw-like mouthparts of a scorpion

Diurnal
active during the daylight hours.

Ecdysis
the process of molting, or shedding the exoskeleton.

Exoskeleton
the skelton or supporting structure on the outside of an arthropod's body.

Exuviae
the cast (shed) exoskeleton of an arthropod.

Forceps
a tool for picking up small insect or arachnid specimens; tweezers.

Gravid
pregnant

Instar
the stage of an insect between successive molts; for example, the first instar is the stage between birthing and the first molt.

Lateral Eyes
usually paired, scorpions have 0-5 total Lateral Eyes found on the front edge of the carapace.

Medial Eyes
the pair of eyes found on the dorsal (top) of the carapace.

Mesosoma
the body. Part of the Abdomen, has seven separate segments.

Metasoma
the tail. Part of the Abdomen, has five connected segments.

Nocturnal
active at night.

Obligate Burrower
These scorpions are compelled to burrow. Hadrurus and Opistopthalmus speecies are examples of Obligate Burrowers.

Opportunistic Burrower
These scorpions will often take over burrows left by other animals, or in small hides under rocks, tree roots, etc. Most Parabuthids are Opportunistic Burrowers.

Parthenogenesis
the ability to produce fertile eggs without male involvement.

Pectine
a "V"-shaped comb-like appendage on the abdomen of a scorpion that has sensory functions.

Pinheads
Very small crickets. Perfect for feeding small 2nd instar scorpions

Seta
(pl., setae) an external bristle, or stout hair.

Stridulate
to make sound by rubbing two body parts together.

Substrate
ground material (sand, soil, etc).

Tarsus
Movable "finger" of the chela. Also the 7th segment of each leg.

Telson
the final segment of the metasoma. contains the venom glands and Aculeus.

Tibia
The Fixed finger of the chela, sometimes refered to as the manus. Also the 5th leg segment.

Vesicle
Bulbous part of telson which houses venom glands.