Field Guide

The American carrion beetle has a yellow pronotum with a big black spot in the middle. Adults of this species of silphid beetle eat fly maggots, plus some carrion. In flight, they seem like bumblebees.

Horntails look a lot like wasps but have a taillike spine that projects from the tip of the abdomen. Their cylindrical bodies also lack the narrow waist so common in wasps.

Milkweed longhorns are a genus of longhorned beetles that feed on milkweed. They are red with black spots. The species are very similar.

The swamp milkweed leaf beetle is found on the various milkweeds it eats, often in grassy areas or on roadsides. The exact pattern of orange and black varies among individuals.

Scoliid wasps are a family of beetle hunters. Large, rather hairy wasps, some are handsomely colored. The female digs in soil, finds a scarab beetle grub, and lays an egg on it.

The marbled orbweaver is sometimes called the “pumpkin spider” because its rounded abdomen is sometimes bright orange. The color and markings can vary greatly.

The spiny assassin bug is one of nearly 200 species of assassin bugs in North America. It walks, hops, and flies to capture its insect prey.

The field coal bee fly, Anthrax georgicus, has no real common name. Look for it in grasslands, fields, and other open areas.

Blister beetles in the genus Meloe are called oil beetles because of a yellowish oil they excrete from their joints when squeezed or distressed. This oil contains cantharidin, an irritating chemical that can cause blistering in many people.

Armored harvestmen have spines on their fingerlike mouthparts (pedipalps). Unlike other harvestmen, members of this suborder of so-called daddy longlegs do not usually have long legs.