Field Guide

Land Invertebrates

Showing 81 - 90 of 189 results
Media
image of Firefly crawling on a leaf
Species Types
Scientific Name
Approx. 175 species in North America north of Mexico
Description
Fireflies are amazing beetles that use “cold light” (bioluminescence) to attract mates. They are commonly seen as they fly and glow in summer evenings.
Media
Photo of a great black wasp on a bindweed flower
Species Types
Scientific Name
Sphex pensylvanicus
Description
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.
Media
image of Soldier Beetle on Goldenrod
Species Types
Scientific Name
Nearly 500 species in North America north of Mexico
Description
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.
Media
image of an Alderfly
Species Types
Scientific Name
Sialis spp.
Description
Adult alderflies are usually black, dark brown, or gray. They look a lot like stoneflies but are more closely related to fishflies and dobsonflies.
Media
image of Caddisfly on leaf
Species Types
Scientific Name
About 1,500 species in North America north of Mexico
Description
Adult caddisflies are mothlike. Their larvae are aquatic and build portable, protective cases out of local materials, including grains of sand, bits of leaves and twigs, and other debris.
Media
image of a Summer Fishfly
Species Types
Scientific Name
Chauliodes, Neohermes, and Nigronia spp. (in eastern US)
Description
Adult fishflies look a lot like female dobsonflies. Fishflies lack the large, tusklike pincers that male dobsonflies are famous for.
Media
Photo of eastern dobsonfly
Species Types
Scientific Name
Corydalus cornutus
Description
Adult eastern dobsonflies are huge and mothlike, with large wings and a weak, fluttery flight. The fiercely predaceous aquatic larvae, called hellgrammites, are well-known to anglers, who often use them as bait.
Media
Photo of a mayfly
Species Types
Scientific Name
More than 600 species in North America north of Mexico
Description
The mayflies are a fascinating group of insects. The nymphs live from months to years under water, and the delicate adults fly around in the air, mating, living for only a day or two.
Media
image of a Four-Spotted Owlfly
Species Types
Scientific Name
8 species in North America north of Mexico
Description
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.
Media
image of Green Lacewing clinging to rock
Species Types
Scientific Name
About 85 species in North America north of Mexico
Description
Green lacewings are delicate insects whose larvae are ravenous predators of aphids. This makes the lacewing a friend to gardeners!
See Also
Media
Photo of a Yellow-Collared Scape Moth
Species Types
Scientific Name
Cisseps fulvicollis
Description
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!
Media
image of Plume Moth on blade of grass
Species Types
Scientific Name
Nearly 150 species in North America north of Mexico
Description
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.
Media
Photo of an Isabella Tiger Moth
Species Types
Scientific Name
Pyrrharctia isabella
Description
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.