3/8-1/2" (9-13 cm). Tapering, carrot-shaped. Silver-gray, coated with scales. Threadlike antennae and 3 tail filaments, all shorter than body. Small black eyes. Maxillary palps.… read more
Firebrat
Thermobia domestica
3/8-1/2" (9-13 mm). Mottled gray and tan or brown. Threadlike antennae, longer than body, usually swept back parallel to sides. 3 tail filaments. Maxillary palps have 6 segments.… read more
1/16" (2 mm). Cylindrical, somewhat broader past middle. Dark blue. Dull brown under legs and at forked abdominal tip. Antennae short. 16 minute eyes in cluster on each side of head.… read more
The Western Green Drake is a member of the spiny crawler family (family Ephemerellidae). … read more
These Mayflies are members of the burrowing mayfly family (family Ephemeridae). Many of the largest and most common North American mayflies belong to this family. Some measure more than 1" (25 mm) excluding the 2 or 3 tail filaments, which may be even ...… read more
Mayflies
Hexagenia species
3/4-1 1/8" (18-30 mm) excluding 2 tail filaments. Pale golden yellow with brown midline on top of head, thorax, and tip of abdomen. Pale brown band across abdominal segments 2-5. Antennae, legs, and tails yellow. Wings clear to amber with yellow ...… read more
The Dragonhunter is a member of the gomphid dragonfly family (family Gomphidae). Mostly stream-haunting insects, gomphid dragonflies, 1 7/8-3" (48-76 mm) long, rest on logs, stones, and leaves, or dart from one resting place to another, seizing prey ...… read more
2-2 1/8" (50-53 mm), wingspan 4" (101 mm). Face yellowish. Thorax black with unbroken yellow markings. Abdomen black with yellow at base and tip and thick yellow stripe narrowing to thin line. Wings clear. Naiad, to 1" (25 mm), is dark brown.… read more
The Pale Snaketail is a member of the gomphid dragonfly family (family Gomphidae). Mostly stream-haunting insects, gomphid dragonflies, 1 7/8-3" (48-76 mm) long, rest on logs, stones, and leaves, or dart from one resting place to another, seizing prey ...… read more
The Canada Darner is a member of the family Aeschnidae. Darners are among the largest and fastest-flying North American dragonflies, 2 1/4-4 3/4" (57-120 mm) long. These brilliant blue, green, or brown insects have large, clear wings spanning up to 5 ...… read more
The Blue-eyed Darner is a member of the family Aeshnidae. Darners are among the largest and fastest-flying North American dragonflies, 2 1/4-4 3/4" (57-120 mm) long. These brilliant blue, green, or brown insects have large, clear wings spanning up to 5 ...… read more
The Paddle-tailed Darner is a member of the family Aeschnidae. Darners are among the largest and fastest-flying North American dragonflies, 2 1/4-4 3/4" (57-120 mm) long. These brilliant blue, green, or brown insects have large, clear wings spanning up ...… read more
2 3/4-3 1/8" (70-80 mm); wingspan to 4 3/8" (110 mm). Thorax green, abdomen blue to purplish gray. Wings with pale yellowish area toward tips, darkening as insect ages. Targetlike mark on face. Compound eyes often color of milk chocolate. Naiad, to ...… read more
The Comet Darner is a member of the family Aeschnidae. Darners are among the largest and fastest-flying North American dragonflies, 2 1/4-4 3/4" (57-120 mm) long. These brilliant blue, green, or brown insects have large, clear wings spanning up to 5 ...… read more
The Regal Darner is a member of the family Aeschnidae. Darners are among the largest and fastest-flying North American dragonflies, 2 1/4-4 3/4" (57-120 mm) long. These brilliant blue, green, or brown insects have large, clear wings spanning up to 5 ...… read more
The Swamp Darner is a member of the family Aeschnidae. Darners are among the largest and fastest-flying North American dragonflies, 2 1/4-4 3/4" (57-120 mm) long. These brilliant blue, green, or brown insects have large, clear wings spanning up to 5 ...… read more
2 3/4-3 3/8" (70-85 mm), wingspan to 5 3/8" (135 mm). Thorax chocolate-brown with yellow markings. Abdomen blackish with middorsal line of yellow patches; segment 10 of male usually has a yellow spot on each side. Eyes green. Wings clear.… read more
The American Emerald is a member of the green-eyed skimmer family (family Corduliidae). These medium-sized or large dragonflies, 1 3/8-3" (34-76 mm) long, have a distinctive lobe on the hind margin of each compound eye. Many species are black or ...… read more
The Common Baskettail is a member of the green-eyed skimmer family (family Corduliidae). These medium-sized or large dragonflies, 1 3/8-3" (34-76 mm) long, have a distinctive ...… read more
The Prince Baskettail is a member of the green-eyed skimmer family (family Corduliidae). These medium-sized or large dragonflies, 1 3/8-3" (34-76 mm) long, have a distinctive lobe on the hind margin of each compound eye. Many species are black or ...… read more
The Mountain Emerald is a member of the green-eyed skimmer family (family Corduliidae). These medium-sized or large dragonflies, 1 3/8-3" (34-76 mm) long, have a distinctive lobe on the hind margin of each compound eye. Many species are black or ...… read more
1 1/8-1 3/8" (29-35 mm), wingspan 2 1/4-2 3/8" (56-60 mm). Patterned in red and black. Prothorax fringed with long brown hair; thorax has middorsal black stripe, widest at front. Abdomen black with reddish triangular spots on each segment. Tail-like ...… read more
1 3/8-1 5/8" (35-42 mm), wingspan 2 3/4-3 1/8" (70-78 mm). Head and body amber, darkening with age. Wings yellow, banded and spotted with brown; veins initially yellow, later turning red. Naiad is yellowish to greenish, mottled with pale ...… read more
The Scarlet Skimmer is a member of the family Libellulidae. Dragonflies in this large family have brightly colored bodies, 3/4-2 1/2" (18-64 mm) long, that are shorter than the wingspan, which is usually 1-4" (25-102 mm). The wings often have bands or ...… read more
The Western Pondhawk is a member of the common skimmer family (family Libellulidae). Dragonflies in this large family have brightly colored bodies, 3/4-2 1/2" (18-64 mm) long, that are shorter than the wingspan, which is usually 1-4" (25-102 mm). The ...… read more
1 1/2-1 3/4" (38-44 mm), wingspan 2 1/2-2 3/4" (65-70 mm). Face and thorax bright green, top of head darker. Abdomen green, spotted with dark brown on top segments 3-10, spots progressively larger toward tip; tip yellow in male. Legs black with long ...… read more
The Great Pondhawk is a member of the common skimmer family (family Libellulidae).Dragonflies in this large family have brightly colored bodies, 3/4-2 1/2" (18-64 mm) long, that are shorter than the wingspan, which is usually 1-4" (25-102 mm). The wings ...… read more
The Hudsonian Whiteface is a member of the common skimmer family (family Libellulidae). Dragonflies in this large family have brightly colored bodies, 3/4-2 1/2" (18-64 mm) long, that are shorter than the wingspan, which is usually 1-4" (25-102 mm). The ...… read more
The Dot-tailed Whiteface is a member of the common skimmer family (family Libellulidae). Dragonflies in this large family have brightly colored bodies, 3/4-2 1/2" (18-64 mm) long, that are shorter than the wingspan, which is usually 1-4" (25-102 mm). ...… read more
The Golden-winged Skimmer is a member of the common skimmer family (family Libellulidae).Dragonflies in this large family have brightly colored bodies, 3/4-2 1/2" (18-64 mm) long, that are shorter than the wingspan, which is usually 1-4" (25-102 mm). ...… read more
1 5/8-1 3/4" (42-45 mm), wingspan 3 1/8" (80 mm). Mostly blue with brownish-black steaks near base of both wings. Sides of thorax pale brown, crossed by a black stripe that widens below to the leg bases. Wings black on outer 1/3; yellowish-white spot ...… read more
The Blue Corporal is a member of the common skimmer family (family Libellulidae).Dragonflies in this large family have brightly colored bodies, 3/4-2 1/2" (18-64 mm) long, that are shorter than the wingspan, which is usually 1-4" (25-102 mm). The wings ...… read more
The Eight-spotted Skimmer is a member of the common skimmer family (family Libellulidae).Dragonflies in this large family have brightly colored bodies, 3/4-2 1/2" (18-64 mm) long, that are shorter than the wingspan, which is usually 1-4" (25-102 mm). ...… read more
1 5/8-2" (42-50 mm), wingspan 1 1/8-3 1/2" (30-90 mm). Body dark brown, sometimes with yellow stripes on sides; thorax somewhat hairy. Fore and hind wings blackish brown up to halfway toward tip; wing tips clear or smoky-brown, especially in female.… read more
1 5/8-1 7/8" (42-48 mm), wingspan to 2 1/2-3" (65-75 mm). Head shiny brown. Thorax gray-brown, striped or spotted with white or yellow. Male's abdomen gleaming white; female's narrower and brown with row of yellow spots. Wings have broad dark band ...… read more
1 3/4-2 1/4" (45-58 mm), wingspan to 3 1/8" (80 mm). Head and thorax chocolate to light brown. Abdomen gray-brown to whitish. Each wing has 3 brown spots; male develops milky cast on wing between spots, female clear in these areas. Sometimes abdomen ...… read more
1 5/8-1 3/4" (42-45 mm), wingspan 2 3/4-3 1/8" (70-80 mm). Body olive-brown with yellow stripe on each side. Face yellow, upper lip marked with black. Wings have yellow streak along front margin, a small dark area halfway along front margin, and a ...… read more
1 1/8-2 3/8" (28-61 mm), wingspan 3 3/8-3 3/4" (85-95 mm). Red with brown on top of head. Thorax brownish red without stripes. Wings yellowish with reddish veins and clear tips; brown streak near base of hind wing, far from front and hind margins.… read more
The Painted Skimmer is a member of the common skimmer family (family Libellulidae). Dragonflies in this large family have brightly colored bodies, 3/4-2 1/2" (18-64 mm) long, that are shorter than the wingspan, which is usually 1-4" (25-102 mm). The ...… read more
The Great Blue Skimmer is a member of the common skimmer family (family Libellulidae).Dragonflies in this large family have brightly colored bodies, 3/4-2 1/2" (18-64 mm) long, that are shorter than the wingspan, which is usually 1-4" (25-102 mm). The ...… read more
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