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

Table 3

Diets of Molanna uniophila larvae () collected from Pratt Lake, Michigan, USA, in July 1997. Values are means ± SD of total counts of diet items from five random microscopic fields of view for each larva. Total diet items = 457.

Diet item	Number	Percent of total items
Plant matter
Macrophyte fragments	9.7 ± 7.7	12.7
Filamentous algae	11.5 ± 12.1	15.1
Diatoms	18.7 ± 15.1	24.5
Animals
Cladocerans	1.5 ± 1.5	2.0
Midge larvae	3.3 ± 4.7	4.4
Midge adults	0.2 ± 0.4	0.2
Unidentified fly larvae	0.2 ± 0.4	0.2
Rotifers	0.3 ± 0.8	0.4
Unknown
Amorphous detritus	30.8 ± 27.9	40.5