Field Guide

Land Invertebrates

Showing 1 - 10 of 12 results
Photo of an adult damselfly on a twig next to water.
Damselflies
Species in the suborder Zygoptera
Like dragonflies, damselflies have long bodies, two pairs of long, membranous, finely veined wings, and predaceous aquatic larvae that have extendible mouthparts. Damselflies typically hold their wings together, above the body.
image of Fiery Searcher on dead leaves
Ground Beetles (Carabids)
About 2,400 species in North America north of Mexico
Ground beetles are a family of mostly nocturnal or light-shunning beetles that tend to be shiny black and have grooved wing covers. This group also includes tiger beetles, however, which includes many colorful daytime fliers.
image of Six-Spotted Tiger Beetle crawling on dead leaves
Tiger Beetles
Subfamily Cicindelinae (about 100 species in North America)
Dizzyingly fast runners and fliers, tiger beetles are remarkable, and often very colorful, insect predators.
Photo of a male Banded Pennant dragonfly
Dragonflies
Species in the suborder Anisoptera
Like damselflies, dragonflies have long bodies, two pairs of long, membranous, finely veined wings, and predaceous aquatic larvae. Dragonflies typically hold their wings stretched outward, horizontally.
Photo of a meloe blister beetle, female, on ground
Oil Beetles
Meloe spp.
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.
Photo of an Eastern Pondhawk dragonfly, female
Eastern Pondhawk
Erythemis simplicicollis
The eastern pondhawk is a common and well-known large dragonfly of ponds and other standing water. Females are green with dark-banded abdomen. Mature males are blue with green face and thorax.
Photo of a Spangled Skimmer dragonfly, male
Spangled Skimmer
Libellula cyanea
The spangled skimmer grows to nearly 2 inches long. Each of the 4 wings has a white spot beside a black spot on the outer leading edge. Males are blue with a dark head. Females are dark brown with lengthwise yellow stripes.
Male blue dasher dragonfly perched on the tip of a twig, with dew on its wings
Blue Dasher
Pachydiplax longipennis
Blue dasher males and females look quite different. Both have a white face, a black abdomen tip, and slanted black and yellow stripes on the thorax. But males are blue and females are striped black and yellow.
Photo of a slaty skimmer dragonfly, male.
Slaty Skimmer
Libellula incesta
The slaty skimmer has a body about 2 inches long. Older males are all slate blue with black heads. Young males and females have brown abdomens and a dark stripe running down the back.
Male twelve-spotted skimmer perched on a plant stalk
Twelve-Spotted Skimmer
Libellula pulchella
The twelve-spotted skimmer has twelve brown wing spots. Males, like this one, have eight additional spots that are white. Females lack the white spots.
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.