Flower-Visiting Insects
of Two-Flowered Cynthia

Krigia biflora (Two-Flowered Cynthia)
(Bees collect pollen or suck nectar; beetles feed on pollen & are non-pollinating; other insects suck nectar; observations are from Robertson, Moure & Hurd, Swengel & Swengel, and Grundel et al. as indicated below)

Bees (long-tongued)
Apidae (Apinae): Apis mellifera sn cp fq (Rb); Apidae (Bombini): Bombus fraternus sn (Rb), Bombus griseocollis sn (Rb), Bombus pensylvanicus sn (Rb); Anthophoridae (Ceratinini): Ceratina dupla dupla sn cp fq (Rb), Ceratina strenua (Gnd); Anthophoridae (Epeolini): Epeolus interruptus sn (Rb); Anthophoridae (Eucerini): Synhalonia speciosa sn fq (Rb); Anthophoridae (Nomadini): Nomada affabilis sn fq (Rb), Nomada articulata sn fq (Rb), Nomada illinoiensis sn (Rb), Nomada lepida sn (Gnd), Nomada superba superba sn fq (Rb); Megachilidae (Coelioxini): Coelioxys octodentata sn (Rb); Megachilidae (Megachilini): Megachile brevis brevis sn (Rb); Megachilidae (Osmiini): Chelostoma philadelphi (Gnd), Hoplitis pilosifrons sn fq (Rb), Osmia bucephala (Gnd), Osmia georgica sn cp (Rb, Gnd), Osmia pumila sn (Rb, Gnd); Megachilidae (Stelidini): Stelis lateralis sn (Rb)

Bees (short-tongued)
Halictidae (Halictinae): Agapostemon virescens sn cp (Rb), Augochlora pura (Gnd), Augochlorella aurata sn cp fq (Rb, Gnd), Augochlorella striata sn cp fq (Rb), Halictus confusus (Rb), Halictus ligatus sn cp fq (Rb, Gnd), Halictus parallelus sn (Rb), Halictus rubicundus sn (Rb), Lasioglossum albipennis sn cp fq (Rb), Lasioglossum callidum (Gnd), Lasioglossum coreopsis sn cp (Rb), Lasioglossum leucozonium (Gnd), Lasioglossum lustrans (Gnd), Lasioglossum pectorale sn cp (Rb, Gnd), Lasioglossum pilosus pilosus sn cp fq (Rb), Lasioglossum truncatus (MH), Lasioglossum versatum sn cp fq (Rb, Gnd); Colletidae (Colletinae): Colletes aestivalis sn cp (Rb); Colletidae (Hylaeinae): Hylaeus affinis fp (Rb), Hylaeus mesillae sn fp (Rb); Andrenidae (Andreninae): Andrena geranii (Gnd), Andrena krigiana sn cp fq olg (Rb)

Sphecidae (Crabroninae): Lestica confluentus (Rb); Sphecidae (Sphecinae): Ammophila kennedyi (Rb), Ammophila pictipennis (Rb); Vespidae (Eumeninae): Euodynerus foraminatus (Rb), Leionotus scrophulariae (Rb, MS), Leionotus ziziae (Rb, MS), Stenodynerus ammonia (Rb), Stenodynerus anormis fq (Rb), Stenodynerus histrionalis (Rb)

Syrphidae: Eristalis arbustorum (Rb), Eristalis dimidiatus (Rb), Eristalis stipator (Rb), Eristalis tenax (Rb), Eristalis transversus (Rb), Helophilus fasciatus (Rb), Helophilus latifrons (Rb), Sphaerophoria contiqua (Rb), Toxomerus marginatus fq (Rb), Tropidia mamillata (Rb); Conopidae: Thecophora occidensis (Rb), Zodion fulvifrons (Rb); Tachinidae: Cylindromyia euchenor (Rb), Gymnoclytia immaculata (Rb), Gymnoclytia occidua (Rb); Muscidae: Neomyia cornicina (Rb); Fanniidae: Fannia manicata fq (Rb)

Nymphalidae: Phyciodes tharos (Rb); Lycaenidae: Lycaeides melissa samuelis (Sw); Pieridae: Colias philodice (Rb); Papilionidae: Papilio polyxenes asterius (Rb)

Hesperiidae: Polites peckius (Rb)

Chrysomelidae: Diabrotica undecimpunctata fp np fq (Rb); Coccinellidae: Coleomegilla maculata fp np (Rb); Languriidae: Languria mozardi fp np fq (Rb)

Plant Bugs
Lygaeidae: Lygaeus turcicus (Rb)