Mayfly Family Metretopodidae (Pseudo-Gray Drakes)

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Taxonomic Navigation -?-

Kingdom Animalia (Animals)

» Phylum Arthropoda (Arthropods)

» Class Insecta (Insects)

» Order Ephemeroptera (Mayflies)

» Family Metretopodidae (Pseudo-Gray Drakes)

Genus in Metretopodidae
SiphloplectonPseudo-Gray Drakes	10	38

1 genus isn't included.

Common Name

Match	Common Name
	Pseudo-Gray Drakes

Pictures Below ↓

The mayflies of this family are large and elegant as adults and among the fastest-swimming of all mayfly species as nymphs. Sadly only one species (Siphloplecton basale) has been reported to produce fishable hatches, and even those are exceedingly rare.

10 Mayfly Specimens in the Family Metretopodidae:

Specimen Page:12

Siphloplecton basale (Pseudo-Gray Drake) Mayfly Spinner

View 6 PicturesI went to great comical lengths to swipe this spinner from the air with a little aquarium net I carry with me while I'm fishing. Siphloplecton basale spinners fly fast and high over the riffles, and there are never very many of them, so they're difficult to catch.

Region: Upper Midwest

Collected May 8, 2004

Added Jan 25, 2006

Siphloplecton basale (Pseudo-Gray Drake) Mayfly Dun

View 5 PicturesThis one hatched on the same April Saturday that I saw the first Hendricksons of the season.

Region: Upper Midwest

Collected Apr 24, 2004

Added Jan 25, 2006

Siphloplecton basale (Pseudo-Gray Drake) Mayfly Nymph

View 4 PicturesThis nymph has double front tarsal claws (Tarsal claw: The claws at the tip of the tarsus, on an insect's "foot.") and double gills on the first three abdominal segments.

Region: Upper Midwest

Collected Mar 1, 2004

Added Jan 25, 2006

Specimen Page:12

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Jargon Defined:

Nymphs: The juvenile, underwater stages of mayflies, stoneflies, dragonflies, and damselflies and other aquatic insects whose juvenile stages are covered by hard exoskeletons. The word can also refer to the fishing flies which imitate these creatures, in which case it is used as a blanket term for flies imitating any underwater stage of an invertebrate (except for crayfish and leeches).

Spinner: There are two winged stages of adult mayflies. They emerge from the water as duns, molt on land (usually) into their fully mature stage, spinners. As spinners, they mate, lay eggs, and die.

Tarsal claws: The claws at the tip of the tarsus, on an insect's "foot."

Top 10 Hatches

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