Primitive Caddisfliessee also pp 211 213

Family Rhyacophilidae

Identification: Fifth segment of maxillary palps not much longer than 4th, and 2nd segment about same length as 1st.

This is a large and widely distributed group. Adults are 3-13 mm. and usually brownish with mottled wings; antennae are relatively short. Larvae live in rapid streams; some make turtle-shaped cases of small pebbles, and others (which are predaceous) do not make cases.

LARGE CADDISFLIES * Family Phryganeidae

Identification: Maxillary palps 4-segmented in cf and 5-seg-mented in 9, in 9 with 2nd segment much longer than 1st and 5th segment not much longer than 4th. Ocelli present. Front tibiae with at least 2 spurs, middle tibiae with 4 spurs.

Adult phryganeids are 14-25 mm. and have the wings mottled with gray and brown. Larvae of most species live in marshes and ponds, and make long slender cases of spirally arranged strips of plant material.

NORTHERN CADDISFLIES Family Limnephilidae p. 213 Identification: Maxillary palps 3-segmented in cf and 5-seg-mented in 9 ; palps of 9 as in Phryganeidae. Front tibiae with 1 spur or none, middle tibiae with 2 or 3.

This is a large and widely distributed group, but most species are northern or,western in distribution. Adults are 7-23 mm. and usually brownish with dark wing markings. Larvae occur chiefly in ponds and slow-moving streams, and construct various types of cases.

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