Homoplectra
Ross, 1938
homoplectran caddisflies
Species Guides
1Homoplectra is a of netspinning caddisflies in the Hydropsychidae, established by Ross in 1938. The genus comprises approximately 11 described distributed in North America and Japan. As members of Hydropsychidae, larvae construct fixed capture nets to filter food from flowing water. The genus includes the recently described species H. gracilis from Japanese headwater streams.
Pronunciation
How to pronounce Homoplectra: /hɒmoʊˈplɛktrə/
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Identification
Larvae of Homoplectra possess the diagnostic features of Hydropsychidae: well-developed silk-producing labial glands for net construction, and typically three pairs of filamentous abdominal gills. identification to requires examination of genitalia, particularly male claspers and structure; specific characters distinguishing Homoplectra from related genera such as Diplectrona and Hydropsyche are not detailed in available sources.
Habitat
Headwater streams and flowing water environments. Larvae are aquatic and require current for net-spinning feeding . The H. gracilis has been documented in headwater streams in Yata Hills, Japan.
Distribution
North America (United States including Vermont, and other regions) and Japan (Yata Hills). Specific distribution varies by .
Diet
Larvae are filter-feeders that capture particulate organic matter, , and small using silken nets constructed in flowing water.
Life Cycle
Complete with aquatic larval and pupal stages and terrestrial stage. Larval development occurs in streams; specific duration and number of instars not documented in available sources.
Behavior
Larvae construct fixed capture nets on rocks or debris in flowing water to filter food particles. are and attracted to light.
Ecological Role
Larvae function as and filter-feeders in stream , contributing to nutrient cycling and serving as prey for fish and other aquatic .
Human Relevance
May be used as bioindicators of stream water quality due to sensitivity to conditions. No direct economic importance documented.
Similar Taxa
- HydropsycheAlso in Hydropsychidae with net-spinning larvae; distinguished by genitalic characters in and subtle differences in larval capsule .
- DiplectronaConvergent net-spinning and similar larval ; genitalia and wing venation patterns separate the .
- CheumatopsycheShares Hydropsychidae and net-spinning habit; Cheumatopsyche often have more widespread distribution and differ in genitalic structure.
More Details
Taxonomic history
established by Ross in 1938. Currently includes 11 described , with H. gracilis described from Japan in 2019 by Nozaki, expanding the genus beyond its previously known North American distribution.
Species diversity
The 11 described include: H. alseae, H. doringa, H. flinti, H. luchia, H. monticola, H. nigripennis, H. norada, H. oaklandensis, H. schuhi, H. shasta, H. spora, and H. gracilis.