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Lateral view of a Male Baetis (Baetidae) (Blue-Winged Olive) Mayfly Dun from Mystery Creek #43 in New York
Blue-winged Olives

Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.

27" brown trout, my largest ever. It was the sub-dominant fish in its pool. After this, I hooked the bigger one, but I couldn't land it.
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Caddisfly Genus Oxyethira (Cream and Brown Microcaddisflies)

Every stage of this widespread, tiny but abundant genus may be important.

Where & when

Time of year : Summer

In 405 records from GBIF, adults of this genus have mostly been collected during July (33%), June (28%), August (19%), May (8%), and September (6%).

In 116 records from GBIF, this genus has been collected at elevations ranging from 26 to 10177 ft, with an average (median) of 1181 ft.

Genus Range

Hatching behavior

Time of day : Usually evening

Larva & pupa biology

Current speed: Still or slow

Substrate: Vegetation

Discussions of Oxyethira

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Caddisfly Genus Oxyethira (Cream and Brown Microcaddisflies)

36 species (Oxyethira abacatia, Oxyethira aculea, Oxyethira aeola, Oxyethira allagashensis, Oxyethira anabola, Oxyethira araya, Oxyethira arizona, Oxyethira coerceus, Oxyethira dualis, Oxyethira dunbartonensis, Oxyethira ecornuta, Oxyethira elerobi, Oxyethira florida, Oxyethira forcipata, Oxyethira glasa, Oxyethira grisea, Oxyethira itascae, Oxyethira janella, Oxyethira kelleyi, Oxyethira kingi, Oxyethira lumipollex, Oxyethira lumosa, Oxyethira maya, Oxyethira mirabilis, Oxyethira novasota, Oxyethira obtatus, Oxyethira parce, Oxyethira rivicola, Oxyethira roberti, Oxyethira rossi, Oxyethira savanniensis, Oxyethira setosa, Oxyethira sida, Oxyethira sininsigne, Oxyethira verna, and Oxyethira zeronia) aren't included.
Genus Range
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