Drunella tuberculata

(Morgan, 1911)

spiny crawler mayfly

Drunella tuberculata is a of spiny crawler mayfly in the Ephemerellidae, described by Morgan in 1911. It is found in North America and is closely related to D. allegheniensis, from which it can be distinguished by specific morphological characters. The species is part of a group of mayflies important to fly fishermen, where nymphs and serve as significant food sources for trout and other sport fish.

Spiny crawler mayfly, Drunella tuberculata (7091573307) by Bob Henricks from Charlottesville, United States. Used under a CC BY-SA 2.0 license.Spiny crawler mayfly, Drunella tuberculata (34252686822) by Bob Henricks from Charlottesville, United States. Used under a CC BY-SA 2.0 license.Spiny crawler mayfly, Drunella tuberculata (33602059673) by Bob Henricks from Charlottesville, United States. Used under a CC BY-SA 2.0 license.

Pronunciation

How to pronounce Drunella tuberculata: /druˈnɛl.lə tuːˌbɛr.kjuˈleɪ.tə/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Distinguished from the closely related D. allegheniensis by morphological characters summarized in taxonomic keys. The existing taxonomic key to the Drunella group has been modified to accommodate separation of these two . Specific diagnostic characters separating D. tuberculata from D. allegheniensis are documented in primary taxonomic literature.

Images

Appearance

As a member of the 'spiny ' group within Ephemerellidae, D. tuberculata possesses the characteristic features of this lineage. The stage has been taxonomically distinguished from the closely related D. allegheniensis based on specific morphological characters, though detailed descriptions of its physical appearance require examination of primary taxonomic literature.

Distribution

North America; present in the Nearctic region according to GBIF distribution records.

Life Cycle

As with other Ephemeroptera, D. tuberculata has an aquatic larval stage (nymph) and a short-lived winged stage. The complete details including number of instars and duration of stages are not documented in available sources.

Ecological Role

Nymphs and serve as prey for trout and other sport fish, forming part of the aquatic in freshwater systems. The is one of several species imitated by artificial flies used in fly fishing.

Human Relevance

Of interest to fly fishermen as a food source for trout; artificial fly patterns are designed to imitate this and related . The species is part of the entomological knowledge base that supports recreational fishing and aquatic studies.

Similar Taxa

  • Drunella allegheniensisClosely related from which D. tuberculata is distinguished by specific morphological characters; both belong to the same species group within the .

More Details

Taxonomic history

Described by Morgan in 1911. The stage of the related D. allegheniensis was described later, with explicit comparison to D. tuberculata to establish distinguishing characters.

Tags

Sources and further reading