Field Guide

Land Invertebrates

Showing 71 - 80 of 144 results
Photo of a great black wasp on a bindweed flower
Great Black Wasp
Sphex pensylvanicus
A strikingly large black wasp with smoky black wings that shine with blue iridescence, the great black wasp is often seen busily eating nectar and pollen from flowers in summertime.
image of Soldier Beetle on Goldenrod
Soldier Beetles (Cantharids)
Nearly 500 species in North America north of Mexico
Soldier beetles are most often seen on flowers. Many species in this family are pollinators. Yellow, orange, and red are their most common colors, besides black and brown.
image of a Four-Spotted Owlfly
Owlflies
8 species in North America north of Mexico
An owlfly looks like a dragonfly with a butterfly’s head. Dragonfly shaped and sized, they have long, clubbed antennae and large, bulging eyes. Look for them in summertime dusks and evenings.
image of Green Lacewing clinging to rock
Green Lacewings
About 85 species in North America north of Mexico
Green lacewings are delicate insects whose larvae are ravenous predators of aphids. This makes the lacewing a friend to gardeners!
Photo of adult antlion with wings spread
Antlion Adults
More than 100 species in North America north of Mexico
Adult antlions look something like drab damselflies. These insects are most familiar in their immature stages, called doodlebugs, which create pits in sand for trapping ants.
Fork-tailed bush katydid resting on a tree trunk
Fork-Tailed Bush Katydid
Scudderia furcata
The fork-tailed bush katydid reaches about 1¾ inches long. It is usually leafy green and is most common in bushes, thickets, and other shrubby areas. It is most active after dusk. The call is a simple "tsip!" given every few seconds.
Deer bot fly Cephenemyia phobifer resting on a support beam at the top of a fire tower
Bot Flies
About 40 species in North America north of Mexico
Bot flies are chunky, beelike flies usually with rounded heads. Adults are not commonly seen. The larvae are short, pudgy, segmented grubs that live as parasites in the tissues of animals. Those that live just under the skin often form a bulge. Some types live in the nasal or throat cavities of deer.
eastern stizus wasp on goldenrod
Eastern Stizus
Stizus brevipennis
The eastern stizus is a large, solitary wasp that is often misidentified as the better-known eastern cicada-killer wasp. The markings are slightly different, however, and the eastern stizus female hunts katydids, not cicadas.
Side view of longlegged fly, Condylostylus, perched on a wooden railing
Longlegged Flies
About 1,300 species in North America north of Mexico
The longlegged flies are a large, diverse fly family. They often have eye-catching metallic green, copper, bronze, or blue bodies and long legs. Their delicate wings are often clear and look iridescent in bright light, but many species have dark marks near the wing tips.
image of Xystodesmid Millipede crawling on a forest floor
Xystodesmid Millipedes
8 tribes, with about 23 genera, in North America north of Mexico
Millipedes in family Xystodesmidae often have bright colors that serve as a warning to potential predators that they may secrete foul or toxic substances.
See Also
Photo of a Yellow-Collared Scape Moth
Yellow-Collared Scape Moth
Cisseps fulvicollis
The yellow-collared scape moth is more often “orange-collared.” And whether you think it looks more like a firefly or a wasp, it’s still a moth!
image of Plume Moth on blade of grass
Plume Moths
Nearly 150 species in North America north of Mexico
Slim, delicate plume moths are instantly recognizable by their T-shaped silhouette, long legs, and muted shades of tan and brown. It can be hard to separate the various species.
Photo of an Isabella Tiger Moth
Isabella Tiger Moth (Woolly Bear; Woolly Worm)
Pyrrharctia isabella
Not many people know the adult Isabella tiger moth when they see one, but we’re all acquainted with its caterpillar, the woolly worm, or woolly bear.

About Land Invertebrates in Missouri

Invertebrates are animals without backbones, including earthworms, slugs, snails, and arthropods. Arthropods—invertebrates with “jointed legs” — are a group of invertebrates that includes crayfish, shrimp, millipedes, centipedes, mites, spiders, and insects. There may be as many as 10 million species of insects alive on earth today, and they probably constitute more than 90 percent all animal species.