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Also called sedge-flies or rail-flies, the adults are small moth-like insects with two pairs of hairy membranous wings. They are closely related to the Lepidoptera (moths and butterflies) which have scales on their wings; the two orders together form the superorder Amphiesmenoptera .
The adult is a mostly small to medium-sized caddisfly with a wingspan of 6–18 mm (0.24–0.71 in), with dull grayish-brown mottled wings. Ocelli are absent. The maxillary palp is five-segmented.
The Hydropsychidae are a family-level taxon consisting of net-spinning caddisflies.Hydropsychids are common among much of the world's streams, and a few species occupy the shorelines of freshwater lakes. [1]
Handbooks for the Identification of British Insects is a series of books produced by the Royal Entomological Society (RES). The aim of the Handbooks is to provide illustrated identification keys to the insects of Britain, together with concise morphological, biological and distributional information.
Limnephilus rhombicus. Limnephilus is a genus of caddisflies in the family Limnephilidae.There are over 180 species of Limnephilus, described between 1824 and 1999. [1]Several species of Limnephilus are endangered, including Limnephilus perpusillus, Limnephilus parvulus and Limnephilus janus being listed as a species of special concern in Wisconsin, [2] [3] [4] and Limnephilus pallens being ...
Limnephilidae is a family of caddisflies with about 100 genera.They belong to the main lineage of case-constructing caddisflies, the Integripalpia or tube-case caddisflies. . The Limnephilidae is one of the most species-rich Trichoptera families of northern temperate regions, but only a few are known from tropical areas and the Southern Hemisphe
Hydroptila larva. The Hydroptilidae are a large family of caddisflies (Trichoptera) with a worldwide distribution.They are commonly known as microcaddisflies or purse-case caddisflies, in reference to two characteristic traits of this family: Hydroptilidae are much smaller than other caddisflies, rarely exceeding 5 mm (0.20 in) in length.
Wise's original text (the type description) reads as follows: . Ocelli absent; ♂ frons with a small hole on each side. Maxillary palpi, ♂, membranous, apparently two-jointed with transverse suture, as in Pycnocentrodes, but appearing as one in internal view; no brush of hairs from base.