Stingers (1) Honey Bee (2) Bald Faced Hornet (3) Paper Wasps (4) Yellow Jacket (5) Red Imported Fire Ant (Solenopsis invicta) (6) Scorpions
Red Imported Fire Ant
Fire Ant Mounds
Red Imported Fire Ants The pathognomic pustules following a fire ant envenomation.
Velvet Ants “Cow Killers”
Scorpions are easily distinguished from other arachnids by their large, well developed claws and distinct division of the abdomen into a broad preabdomen and narrow, tail-like postabdomen. All scorpions are venomous, but only about 25 species worldwide possess venom of sufficient toxicity to kill humans The venoms with severe toxicity are usually neurotoxins. Scorpions
Millipedes - Class Diplopoda Millipedes (2 legs/body segment) do not have biting mouthparts or fangs. Their medical importance comes from their ability to secrete an irritating defensive liquid from pores along their sides. Such secretions contain benzoquinones, aldehydes, hydrocyanic acid, and other substances.
Blister Beetles Family: Meliodae Cantharidin Livestock come in contact with blister beetles. Spanish Fly
Bombardier Beetles Family: Carabidae ½ inch long. Chemical defense 70 rapid shots 100C (212F) Southern California
Venomous Insects - Lepidoptera Problems Caused by Adult Moths DermatitisDermatitis Respiratory Distress (Asthma)Respiratory Distress (Asthma) Lachrymal and blood-feedingLachrymal and blood-feeding Problems Caused by Larval Moths DermatitisDermatitis Stinging envenomization - allergyStinging envenomization - allergy Hemorrhagic manifestationsHemorrhagic manifestations
Larval Moths Known to Cause Problems to Humans Urticating or "stinging" spines and setae. Average sensitivity –stinging sensations Extreme sensitivity –Severe pain and allergic reactions. –Cases are known of hospitalization –Skin bleeding (poison spines containing an anticoagulant)
Lonomia electra [Costa Rican species]
Puss Caterpillars Megalopyge opercularis Florida Species long, silken, brownish hairs. short, poisonous spines. burning sensation, as painful as a bee sting.
Puss caterpillars. The caterpillar at the left is fully grown; the one at right is still developing, note the recently shed (and still urticaceous) skin beside the larva.