Flower-Visiting Insects
of Downy Hawthorn

Crataegus mollis (Downy Hawthorn)
(Bees suck nectar and/or collect pollen; flies and beetles usually suck nectar, although sometimes they may feed on pollen; other insects suck nectar; observations are from Robertson, Krombein et al., and Wilhelm & Rericha as indicated below)

Bees (long-tongued)
Apidae (Apinae): Apis mellifera sn cp fq (Rb, WR); Apidae (Bombini): Bombus bimaculatus (WR), Bombus pensylvanicus sn (Rb); Anthophoridae (Ceratinini): Ceratina dupla dupla sn (Rb); Anthophoridae (Eucerini): Synhalonia speciosa sn (Rb)

Bees (short-tongued)
Halictidae (Halictinae): Augochlora pura pura (WR), Augochlorella striata sn cp (Rb), Augochloropsis metallica metallica sn (Rb), Halictus confusus sn cp fq (Rb), Halictus rubicundus sn cp fq (Rb), Lasioglossum cinctipes sn cp (Rb), Lasioglossum cressonii sn (Rb), Lasioglossum foxii sn cp (Rb), Lasioglossum imitatum sn cp fq (Rb), Lasioglossum pectorale sn cp fq (Rb), Lasioglossum pilosum pilosum sn cp (Rb), Lasioglossum versatum sn (Rb), Lasioglossum zephyrum sn cp fq (Rb); Colletidae (Colletinae): Colletes inaequalis sn (Rb); Andrenidae (Andreninae): Andrena crataegi sn fq (Rb), Andrena cressonii sn cp fq (Rb), Andrena dunningi sn cp fq (Rb, WR), Andrena forbesii sn cp (Rb), Andrena hippotes sn (Rb, WR), Andrena imitatrix imitatrix sn fq (Rb, WR), Andrena mandibularis sn cp (Rb), Andrena miserabilis bipunctata sn fq (Rb, WR), Andrena nasonii sn (Rb, WR), Andrena nuda sn (Rb), Andrena personata (Kr), Andrena pruni sn cp (Rb), Andrena rugosa sn fq (Rb), Andrena sayi sn cp fq (Rb)

Wasps
Vespidae (Eumeninae): Ancistrocerus adiabatus sn (Rb); Vespidae (Polistinae): Polistes fuscatus sn (Rb); Vespidae (Vespinae): Vespula germanica sn (Rb); 

Flies
Syrphidae: Blera umbratilis (Rb), Brachypalpus oarus (Rb), Chalcosyrphus nemorum (Rb), Cheilosia punctulata (Rb), Chrysogaster antitheus (Rb), Eristalis dimidiatus (Rb), Eupeodes americanus (Rb), Helophilus fasciatus (Rb), Myolepta strigilata fq (Rb), Orthonevra pictipennis (Rb), Psilota buccata (Rb), Trichopsomyia apisaon (Rb); Empididae: Empis desiderata (Rb), Empis otiosa (Rb), Empis nuda (Rb), Rhamphomyia piligeronis (Rb), Rhamphomyia priapulus fq (Rb), Rhamphomyia sordida fq icp (Rb), Rhamphomyia tersa (Rb); Bombyliidae: Bombylius major sn (Rb); Conopidae: Myopa vesciculosa sn fq icp (Rb); Tachinidae: Phasia grandis (Rb); Calliphoridae: Calliphora vicina (Rb), Calliphora vomitoria (Rb), Cynomya cadaverina (Rb), Phormia regina (Rb); Muscidae: Morellia micans (Rb), Neomyia cornicina (Rb); Anthomyiidae: Delia platura (Rb)

Butterflies
Nymphalidae: Polygonia interrogationis sn (Rb)

Beetles
Cerambycidae: Molorchus bimaculatus (Rb); Chrysomelidae: Acalymma vittatum (Rb), Disonycha sp. (Rb); Cleridae: Pelonides quadripunctatum (Rb); Oedemeridae: Asclera puncticollis (Rb); Scarabaeidae: Euphoria fulgida (Rb)

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