Flower-Visiting Insects
of Two-Flowered Cynthia
Krigia biflora (Two-Flowered Cynthia)
(Bees suck nectar and/or collect pollen, beetles feed on pollen or gnaw on floral tissue, plant bugs suck nectar or feed on floral tissue, other insects suck nectar. Observations are from Robertson, Moure & Hurd, Swengel & Swengel, Grundel et al., and Wilhelm & Rericha as indicated below.)
Bees (long-tongued)
Apidae (Apini): Apis mellifera sn cp fq (Rb); Apidae (Bombini): Bombus fraternus sn (Rb), Bombus griseocollis sn (Rb), Bombus pensylvanicus sn (Rb); Anthophoridae (Ceratinini): Ceratina calcarata fq (WR), Ceratina dupla sn cp fq (Rb, WR), Ceratina mikmaqi fq (WR), Ceratina strenua fq (Gnd, WR); 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 sayi sn (WR), Nomada superba sn fq (Rb); Megachilidae (Coelioxini): Coelioxys octodentata sn (Rb); Megachilidae (Megachilini): Megachile brevis sn (Rb), Megachile gemula (WR); Megachilidae (Osmiini): Chelostoma philadelphi sn (Gnd, WR), Hoplitis pilosifrons sn fq (Rb), Hoplitis producta (WR), Osmia bucephala (Gnd), Osmia georgica sn cp (Rb, Gnd, WR), Osmia pumila sn (Rb, Gnd, WR); Megachilidae (Stelidini): Stelis lateralis sn (Rb)
Bees (short-tongued)
Halictidae (Halictinae): Agapostemon virescens sn cp (Rb, WR), Augochlora pura (Gnd, WR), Augochlorella aurata sn cp fq (Rb, Gnd, WR), Augochlorella striata sn cp fq (Rb), Halictus confusus (Rb), Halictus ligatus sn cp fq (Rb, Gnd, WR), Halictus parallelus sn (Rb), Halictus rubicundus sn (Rb), Lasioglossum albipenne sn cp fq (Rb), Lasioglossum atwoodi (WR), Lasioglossum birkmanni (WR), Lasioglossum callidum (Gnd), Lasioglossum cattellae (WR), Lasioglossum coreopsis sn cp (Rb), Lasioglossum coriaceum (WR), Lasioglossum cressonii (WR), Lasioglossum ephialtum (WR), Lasioglossum leucozonium (Gnd, WR), Lasioglossum lustrans sn (Gnd), Lasioglossum nigroviride (WR), Lasioglossum obscurum (WR), Lasioglossum pectorale sn cp (Rb, Gnd, WR), Lasioglossum pilosum sn cp fq (Rb), Lasioglossum truncatum (MH), Lasioglossum versans (WR), Lasioglossum versatum sn cp fq (Rb, Gnd, WR); Lasioglossum viridatum (WR); Colletidae (Colletinae): Colletes aestivalis sn cp (Rb); Colletidae (Hylaeinae): Hylaeus sp. (WR), Hylaeus affinis fp (Rb), Hylaeus illinoisensis (WR), Hylaeus mesillae sn fp (Rb); Andrenidae (Andreninae): Andrena geranii (Gnd), Andrena krigiana sn cp fq olg (Rb, WR)
Wasps
Sphecidae (Crabroninae): Lestica confluenta sn (Rb); Sphecidae (Sphecinae): Ammophila kennedyi sn (Rb), Ammophila pictipennis sn (Rb); Vespidae (Eumeninae): Euodynerus foraminatus sn (Rb), Leionotus scrophulariae sn (Rb–MS), Leionotus ziziae sn (Rb–MS), Stenodynerus ammonia sn (Rb), Stenodynerus anormis sn fq (Rb), Stenodynerus histrionalis sn (Rb)
Ants
Formicidae (Dolichoderinae): Tapinoma sessile sn np (WR); Formicidae (Formicinae): Formica lasioides sn np (WR), Formica subsericea sn np (WR), Prenolepis imparis sn np (WR)
Flies
Syrphidae: Eristalis arbustorum (Rb), Eristalis dimidiata (Rb), Eristalis stipator (Rb), Eristalis tenax (Rb), Eristalis transversa (Rb), Helophilus fasciatus (Rb), Helophilus latifrons (Rb), Sphaerophoria contiqua (Rb), Toxomerus marginatus fq (Rb), Tropidia mamillata (Rb); Conopidae: Thecophora occidensis sn (Rb), Zodion fulvifrons sn (Rb); Tachinidae: Cylindromyia euchenor sn (Rb), Gymnoclytia immaculata sn (Rb), Gymnoclytia occidua sn (Rb); Muscidae: Neomyia cornicina (Rb); Fanniidae: Fannia manicata fq (Rb)
Butterflies
Nymphalidae: Phyciodes tharos sn fq (Rb, WR); Lycaenidae: Lycaeides melissa samuelis sn (Sw); Pieridae: Colias philodice sn (Rb); Papilionidae: Papilio polyxenes sn (Rb)
Skippers
Hesperiidae: Polites peckius sn (Rb)
Beetles
Chrysomelidae: Diabrotica undecimpunctata fp np fq (Rb, WR); Coccinellidae: Coleomegilla maculata fp np (Rb); Curculionidae: Centrinites strigicollis fp gnw np (WR); Languriidae: Languria mozardi fp np fq (Rb); Mordellidae: Mordellistena cervicalis (WR)
Plant Bugs
Lygaeidae: Lygaeus turcicus (Rb); Miridae: Lygocoris canadensis (WR), Lygus lineolaris (WR), Metriorrhynchus dislocatus (WR)