Ecology

Associations

Flower-Visiting Insects of Willow Aster in Illinois

Aster salicifolius (Willow Aster)
(Bees collect pollen or suck nectar; flies usually suck nectar, although some feed on pollen; other insects suck nectar; all observations are from Robertson)

Bees (long-tongued)
Apidae (Apinae): Apis mellifera sn; Apidae (Bombini): Bombus griseocallis sn, Bombus impatiens sn fq, Bombus pensylvanica sn, Psithyrus variabilis sn; Anthophoridae (Ceratinini): Ceratina dupla dupla sn; Anthophoridae (Eucerini): Melissodes agilis sn, Melissodes rustica sn cp; Megachilidae (Megachilini): Megachile brevis brevis sn, Megachile latimanus sn cp

Bees (short-tongued)
Halictidae (Halictinae): Agapostemon sericea sn cp, Augochloropsis metallica metallica sn, Halictus ligatus sn cp, Lasioglossum versatus sn; Andrenidae (Andreninae): Andrena asteris sn cp, Andrena simplex sn cp; Andrenidae (Panurginae): Heterosarus compositarum sn

Wasps
Sphecidae (Sphecinae): Ammophila procera sn; Vespidae (Eumeninae): Euodynerus annulatus sn

Flies
Syrphidae: Eristalis arbustorum sn, Eristalis tenax fp, Eupeodes americanus fp, Helophilus fasciatus sn, Syritta pipiens sn, Syrphus ribesii sn; Bombyliidae: Sparnopolius confusus sn; Conopidae: Physocephala texana sn, Stylogaster biannulata sn; Tachinidae: Archytas analis sn, Phasia aeneoventris sn, Spallanzania hesperidarum sn; Calliphoridae: Cochliomyia macellaria sn, Lucilia illustris sn, Lucilia sericata sn; Muscidae: Graphomya americana sn, Neomyia cornicina sn

Butterflies
Nymphalidae: Danaus plexippus sn, Euptoieta claudia sn, Vanessa cardui sn, Vanessa virginiensis sn; Pieridae: Colias philodice sn fq

Skippers
Hesperiidae: Atalopedes campestris sn, Hylephila phyleus sn

Beetles
Chrysomelidae: Diabrotica undecimpunctata sn

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