Leptodiaptomus siciloides (Trophic species 17) preys on:
Glenodinium quadridens
Peridinium pulsillum
Cryptomonas sp. 2
Dinobryon sociale
Dictyosphaerium pulchellum

Chroococcus dispersus
Cryptomonas sp. 1
Chromulina
Trachelomonas
Selenastrum minutum
Mallomonas sp. 2
Arthrodesmus
Dactylococcopsis fascicularis
Nostoc
Dinobryon cylindricum

Based on studies in:
USA: Michigan, Tuesday Lake (Lake or pond)

This list may not be complete but is based on published studies.