Flower-Visiting Insects
of Sandbar Willow


Salix interior (Sandbar Willow)
(Short-tongued bees suck nectar or collect pollen, other insects suck nectar; information is available for staminate flowers only; Sandbar Willow often blooms later than other willows; a few observations are from Krombein et al. as indicated below, otherwise they are from Robertson; information about oligolegy in bees is from Krombein et al.)

On staminate flowers:

Bees (long-tongued)
Apidae (Apinae): Apis mellifera; Apidae (Bombini): Bombus auricomus, Bombus pensylvanica; Anthophoridae (Ceratinini): Ceratina calcarata; Anthophoridae (Eucerini): Synhalonia speciosa; Anthophoridae (Nomadini): Nomada cressonii, Nomada cuneatus fq, Nomada denticulata fq, Nomada illinoiensis fq, Nomada integerrima fq, Nomada obliterata fq, Nomada ovatus fq, Nomada sayi fq, Nomada sulphurata, Nomada superba superba; Megachilidae (Megachilini): Megachile mendica

Bees (short-tongued)
Halictidae (Halictinae): Agapostemon sericea sn cp, Agapostemon splendens sn, Augochlora purus sn, Augochlorella aurata sn cp, Augochlorella striata sn, Halictus confusus sn cp, Halictus ligatus sn cp, Halictus rubicunda sn cp, Lasioglossum cinctipes sn cp, Lasioglossum cressonii sn, Lasioglossum forbesii sn fq, Lasioglossum foxii sn cp fq, Lasioglossum imitatus sn cp fq, Lasioglossum nymphaearum sn, Lasioglossum pectoralis sn, Lasioglossum pilosus pilosus sn, Lasioglossum tegularis sn cp, Lasioglossum truncatus sn, Lasioglossum versatus sn cp fq, Lasioglossum zephyrus sn cp fq; Halictidae (Sphecodini): Sphecodes cressonii sn, Sphecodes dichroa sn, Sphecodes minor sn; Colletidae (Colletinae): Colletes eulophi sn, Colletes inaequalis sn cp; Colletidae (Hylaeinae): Hylaeus affinis sn, Hylaeus illinoisensis sn fq, Hylaeus mesillae sn; Andrenindae (Andreninae): Andrena andrenoides andrenoides sn cp fq olg (Rb, Kr), Andrena carlini sn, Andrena crataegi sn, Andrena cressonii sn cp fq, Andrena erythrogaster sn cp fq olg (Rb, Kr), Andrena hippotes sn cp fq, Andrena illinoiensis sn cp fq olg, Andrena imitatrix imitatrix sn, Andrena macoupinensis sn, Andrena mandibularis sn, Andrena mariae sn cp fq olg, Andrena miserabilis bipunctata sn cp, Andrena personata sn, Andrena salictaria sn cp olg (Rb, Kr), Andrena sayi sn

Wasps
Sphecidae (Crabroninae): Lindenius columbianus, Oxybelus mexicanus, Oxybelis packardii; Sphecidae (Philanthinae): Philanthus gibbosus fq; Sphecidae (Sphecinae): Ammophila nigricans; Tiphiidae: Myzinum quinquecincta; Ichneumonidae: Calliephialtes notanda; Vespidae: Polistes fuscata

Flies
Bibionidae: Bibio femoratus, Bibio pallipes; Simuliidae: Cnephia pecuarum; Tabanidae: Chrysops striatus; Stratiomyidae: Nemotelus glaber; Syrphidae: Allograpta obliqua, Cheilosia capillata, Cheilosia punctulata, Chrysogaster antitheus, Eristalis dimidiatus fq, Eupeodes americanus, Ferdinandea dives, Helophilus fasciatus, Ocyptamus fascipennis, Orthonevra nitida, Paragus bicolor, Platycheirus obscurus, Platycheirus quadratus, Sphaerophoria contiqua fq, Syritta pipiens, Toxomerus geminatus fq, Toxomerus marginata, Trichopsomyia banksi; Empididae: Empis clausa, Empis desiderata, Empis distans, Rhamphomyia limbata fq, Rhamphomyia priapulus fq, Tachydromia maculipennis; Bombyliidae: Bombylius major; Conopidae: Myopa vesiculosa, Myopa vicaria, Zodion fulvifrons; Tachinidae: Chetogena claripennis, Gonia capitata, Linnaemya comta, Phasia purpurascens, Tachinomyia panaetius; Sarcophagidae: Helicobia rapax, Ravinia anxia, Sarcophaga sinuata; Calliphoridae: Cynomya cadaverina fq; Muscidae: Bithoracochaeta leucoprocta, Neomyia cornicina; Anthomyiidae: Delia platura fq; Otitidae: Chaetopsis aenea; Scathophagidae: Scathophaga furcata

Butterflies
Lycaenidae: Parrhasius m-album

Beetles
Chrysomelidae: Acalymma vittatum fq; Coccinellidae: Coleomegilla maculata fq icp

Flower gender unspecified:

Bees (short-tongued)
Andrenidae (Andreninae): Andrena nida (Kr), Andrena nigrae (Kr)


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