Flower-Visiting Insects
of Annual Sunflower

Helianthus annuus (Annual Sunflower)
(Bees collect pollen or suck nectar; some flies and beetles feed on pollen
& are non-pollinating; other insects suck nectar; observations are from Robertson, LaBerge, Moure & Hurd, Hilty, Krombein et al., and Mawdsley)

Bees (long-tongued)
Apidae (Apinae): Apis mellifera sn cp fq; Apidae (Bombini): Bombus bimaculatus sn, Bombus griseocallis sn fq, Bombus impatiens sn cp fq, Bombus pensylvanica sn cp fq, Bombus vagans, Psithyrus variabilis sn; Anthophoridae (Ceratini): Ceratina dupla dupla sn cp; Anthophoridae (Epeolini): Triepeolus concavus sn; Anthophoridae (Eucerini): Melissodes agilis sn cp fq olg, Melissodes bimaculata bimaculata (LB), Melissodes boltoniae sn cp fq, Melissodes coloradensis sn, Melissodes comptoides (LB), Melissodes dentiventris sn, Melissodes trinodis sn, Svastra atripes atripes (LB), Svastra obliqua obliqua sn cp fq; Megachilidae (Megachilini): Megachile inimica sayi sn, Megachile latimanus sn, Megachile mendica sn cp

Bees (short-tongued)
Halictidae (Doufoureinae): Dufourea marginatus marginatus cp olg (MH, Kr); Halictidae (Halictinae): Agapostemon texanus texanus (MH), Agapostemon virescens sn fq, Augochlorella striata sn, Augochloropsis metallica metallica (MH), Halictus confusus sn, Halictus ligatus sn cp fq, Halictus rubicunda (MH), Lasioglossum imitatus cp, Lasioglossum pilosus pilosus cp, Lasioglossum versatus cp; Halictidae (Nomiinae): Nomia heteropoda (MH), Nomia triangulifera (MH, Kr), Nomia heteropoda kirbii (MH); Andrenidae (Andreninae): Andrena accepta sn cp olg (Rb, Kr), Andrena helianthi sn cp olg (Rb, Kr); Andrenidae (Panurginae): Heterosarus helianthi (Kr), Pseudopanurgus rugosus cp olg (Kr)

Syrphidae: Eristalis brousii sn, Eristalis transversus sn, Syritta pipiens fp np; Bombyliidae: Sparnopolius confusus sn fq, Villa alternata fp np

Nymphalidae: Danaus plexippus (Rb, H), Speyeria cybele; Pieridae: Pieris rapae

Hesperiidae: Polites themistocles

Cantharidae: Chauliognathus pennsylvanicus sn; Chrysomelidae: Acalymma vittata fp np, Diabrotica undecimpunctata fp np; Cleridae: Phyllobaenus pubescens (Mwd)

Plant Bugs
Miridae: Lygus lineolaris