Centipede. Centipedes and millipedes do not carry diseases to man or to his animals and plants. They are usually considered nuisances rather than destructive pests. The first pair of legs is modified into poisonous jaws located below the mouth to kill insects.

Millipede. Centipedes and millipedes do not carry diseases to man or to his animals and plants. They are usually considered nuisances rather than destructive pests.

Pillbug

Sowbugs (aka. pillbugs and roly-polies) are mainly nuisance pests occasionally damage roots, seedlings, foliage and fruit which contact the soil seldom damaging under field conditions.

Scorpions. Scorpions are not insects but arachnids. Texas species rarely cause problems when they sting. The venom of this scorpion may produce severe pain and swelling at the site of the sting, numbness, frothing at the mouth, difficulties in breathing (including respiratory paralysis), muscle twitching, and convulsions.

Scorpions. Scorpions are arachnids, close relatives of ticks, mites and spiders. Scorpions hide during the day and become active at night.

Spider-Black/White Jumping. Spiders feed on general insects and other arthropods. All spiders are beneficial

Spider-black widow. Females are shiny black and since the females commonly eat their mate after mating they often are widows. The most feared black widow is common, but there are seldom stinging reports. For the most part, spiders are beneficial, eating insects and other spiders. The female's venom is especially poisonous to people; one bite can be fatal.

Spider-Celer Crab.

Spider-crab

Spider-gray dotted

Spider-long jawed orbweaver

Spider-brown recluse. The brown recluse is not common but is dangerous. Adults have a violin-shaped spot on the thorax. The bite can result in a severe wound that may require two months to heal.

Spider-wolf. Wolf spiders are usually large, hairy spiders that are not associated with webs. They look much worse than they are.

Spider-star bellied orbweaver

Spider-striped lynx

Spider-winter

Tarantula. They are relatively common throughout Texas. Bites of Texas species are generally not serious to humans.

Tarantula. There are 14 species of tarantulas in the genus, Aphonopelma, listed from Texas

Tick. Rocky Mountain Spotted Fever (RMSF) and Lyme disease can be transmitted by ticks. All ticks have eight legs in the adult stage, but have six legs as newly hatched larvae.