Habitats and Foraging Movements of Larvae of Molanna uniophila Vorhies (Trichoptera: Molannidae) in Pratt Lake, Michigan, USA

Table 1

Measurements of larvae and cases of Molanna uniophila collected from Pratt Lake, Michigan, USA, in July 1997.

	Mean ± SD	Range
Larvae ()
Total length (mm)	14.36 ± 1.99	12.50–17.65
Wet weight (mg)	31.8 ± 18.3	11.2–63.3
Head capsule width (mm)	1.37 ± 0.17	1.25–1.70
Cases ()
Total length (mm)	20.96 ± 5.45	14.70–31.50
Dry weight (mg)	419.7 ± 215.6	191.7–821.1
Maximum width (mm)	10.10 ± 1.71	7.55–13.00
Height at anterior opening (mm)	2.84 ± 0.55	2.15–4.00