Field Guide

Land Invertebrates

Showing 81 - 90 of 110 results
Media
image of American Carrion Beetle
Species Types
Scientific Name
Necrophila americana
Description
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.
Media
Female pigeon tremex resting on a concrete surface
Species Types
Scientific Name
About 28 species in North America
Description
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.
Media
Male eastern Hercules beetle walking in grass
Species Types
Scientific Name
Dynastes tityus
Description
The eastern Hercules beetle is a breathtaking animal. Like its Greek-hero namesake, it is big and strong. Males have horns; females do not. Hercules beetles are harmless to people.
Media
Blue-winged wasp viewed from above, showing wrinkled surface of wings
Species Types
Scientific Name
About 20 species in North America north of Mexico
Description
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.
Media
Marbled orbweaver spider in web
Species Types
Scientific Name
Araneus marmoreus
Description
The marbled orbweaver is sometimes called the “pumpkin spider” because its rounded abdomen is sometimes bright orange. The color and markings can vary greatly.
Media
Photo of an armored harvestman walking on the ground
Species Types
Scientific Name
Members of suborder Laniatores
Description
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.
Media
Photo of a Widow Skimmer dragonfly, male
Species Types
Scientific Name
Libellula luctuosa
Description
The widow skimmer has distinctive dark wing markings that seem like mourning garb. Mature males have white areas in the center of their wings, beside the dark patches, while females and immature males lack the white patches.
Media
A spinyleg dragonfly, possibly a southeastern spinyleg clubtail, closeup.
Species Types
Scientific Name
Dromogomphus spp.
Description
Spinyleg clubtails are dragonflies in genus Dromogomphus. There are at least three species that look very similar.
Media
Photo of a Cobra Clubtail dragonfly
Species Types
Scientific Name
Gomphurus vastus
Description
The cobra clubtail is in the family of dragonflies called clubtails, named for the enlarged abdomen tip. There are about 100 species in this dragonfly family in North America north of Mexico.
Media
Calico pennant dragonfly perched on a twig
Species Types
Scientific Name
Celithemis elisa
Description
The calico pennant is a colorful, beautifully marked dragonfly. Males have pink wing veins and females have yellow. Males have a row of bright reddish heart-shapes on the abdomen; females have yellow.
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.