Arachnids, ACA-WOL

When it comes to creepy-crawlies, arachnids are some of the first critters that might come to mind. This arthropod group includes spiders, daddy longlegs, and scorpions, among other creatures that many of us would prefer to avoid.
Back To Arachnids Page

Arachnids Encyclopedia Articles By Title

acarid
acarid, (subclass Acari or Acarida or Acarina), any member of the subgroup of the arthropod class Arachnida that......
arachnid
arachnid, (class Arachnida), any member of the arthropod group that includes spiders, daddy longlegs, scorpions,......
Bagheera kiplingi
Bagheera kiplingi, species of jumping spider (family Salticidae) noted for its largely plant-based diet. The herbivorous......
black widow
black widow, (genus Latrodectus), any of about 30 species of black spiders distinguished by an hourglass-shaped......
book lung
book lung, form of respiratory organ found in certain air-breathing arachnid arthropods (scorpions and some spiders).......
brown recluse
brown recluse, (Loxosceles reclusa), venomous light tan or yellow spider most common in the western and southern......
chigger
chigger, (suborder Prostigmata), the larva of any of approximately 10,000 species of mites in the invertebrate......
comb-footed spider
comb-footed spider, any member of the spider family Theridiidae (order Araneida). The more than 1,000 species of......
crab spider
crab spider, (family Thomisidae), family of spiders (order Araneida) that are crablike in shape and, like many......
daddy longlegs
daddy longlegs, (order Opiliones), any of more than 6,000 species of arachnids (class Arachnida) that are known......
false scorpion
false scorpion, any of the 1,700 species of the order Pseudoscorpiones (sometimes Chelonethida) of the arthropod......
funnel weaver
funnel weaver, any of certain members of the spider family Agelenidae (order Araneida). Agelenids are notable for......
funnel-web spider
funnel-web spider, (family Dipluridae), member of a family of spiders in the order Araneida that are named for......
garden spider
garden spider, (Araneus diadematus), a member of the orb weaver family Araneidae (order Araneida) characterized......
joro spider
joro spider, (Trichonephila clavata), large and visually striking orb weaver spider. Native to Asia, including......
jumping spider
jumping spider, (family Salticidae), any of more than 5,000 species of spiders (order Araneida) known for their......
lynx spider
lynx spider, (family Oxyopidae), any of several groups of active spiders (order Araneida) that do not build a nest......
mite
mite, any of numerous species of tiny arthropods, members of the mite and tick subclass Acari (class Arachnida),......
nursery-web spider
nursery-web spider, (family Pisauridae), any member of a family of spiders (order Araneida) noted for the female......
ogre-faced spider
ogre-faced spider, any member of the family Deinopidae (order Araneida). One pair of eyes is unusually large, producing......
orb weaver
orb weaver, any spider of the family Araneidae (Argiopidae or Epeiridae) of the order Araneida, a large and widely......
pirate spider
pirate spider, any member of the family Mimetidae (order Araneida), noted for its habit of eating other spiders.......
ray spider
ray spider, any spider of the family Theridiosomatidae (order Araneida), known for their conelike webs. Most ray......
red spider
red spider, any of the plant-feeding mites of the family Tetranychidae (subclass Acari). Red spiders are a common......
redback
redback, (Latrodectus hasselti), species of comb-footed spider (family Theridiidae) that is native to Australia,......
sac spider
sac spider, (family Clubionidae), any member of a relatively common, widespread family of spiders (order Araneida)......
scorpion
scorpion, (order Scorpiones or Scorpionida), any of approximately 1,500 elongated arachnid species characterized......
sheet-web weaver
sheet-web weaver, (family Linyphiidae), a rather common group of small spiders (order Araneida) numbering about......
silk spider
silk spider, (genus Nephila), any of a genus of the class Arachnida (phylum Arthropoda), so named because of the......
spitting spider
spitting spider, any member of the family Scytodidae (order Araneida). Most species have six pearly-white eyes......
sunspider
sunspider, (order Solifugae), any of more than 1,000 species of the arthropod class Arachnida whose common name......
tailless whip scorpion
tailless whip scorpion, (order Amblypygi, sometimes Phrynichida), any of 70 species of the arthropod class Arachnida......
tarantula
tarantula, (family Theraphosidae), any of numerous hairy and generally large spiders found in the southwestern......
tick
tick, (suborder Ixodida), any of about 825 species of invertebrates in the order Parasitiformes (subclass Acari).......
trap-door spider
trap-door spider, any member of the spider family Ctenizidae and certain members of the families Antrodiaetidae,......
vinegarroon
vinegarroon, species of whip scorpion...
wandering spider
wandering spider, (family Ctenidae), any member of the family Ctenidae (order Araneida), a small group of large......
water spider
water spider, (Argyroneta aquatica), species of spider that is known for its underwater silk web, which resembles......
whip scorpion
whip scorpion, (order Uropygi, sometimes Thelyphonida), any of approximately 105 species of the arthropod class......
wolf spider
wolf spider, (family Lycosidae), any member of the spider family Lycosidae (order Araneida), a large and widespread......