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., Mawdsley, Grundel et al., and Williams)

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

Bees (short-tongued)
Halictidae (Doufoureinae): Dufourea marginatus marginatus cp olg (MH, Kr); Halictidae (Halictinae): Agapostemon texanus texanus (MH), Agapostemon virescens sn fq (Rb), Augochlorella striata sn (Rb), Augochloropsis metallica metallica (MH), Halictus confusus sn (Rb), Halictus ligatus sn cp fq (Rb, Gnd), Halictus rubicundus (MH), Lasioglossum imitatus cp (Rb), Lasioglossum pilosus pilosus cp (Rb), Lasioglossum versatus cp (Rb); 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), Perdita bequaerti fq (Gnd), Perdita swenki (Gnd), Pseudopanurgus rugosus cp olg (Kr); Melittidae: Hesperapis carinata (Gnd)

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

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

Hesperiidae: Polites themistocles sn (Rb)

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

Plant Bugs
Miridae: Lygus lineolaris (Rb)