168 FLOWERS AND INSECTS—XXVI 
Diptera (23)—Stratiomy.: Stratiomyia quaternaria; Syrph.: 
Didea, Eristalis dimidiatus, latifrons, transversus, Helophilus 
similis, Mallota cimbiciformis, Mesogramma geminata, Orthoneura 
nitida, Syritta, Volucella vesiculosa, Xanthogramma emarginata; 
Empid.: Empis distans, Rhamphomyia mutabilis; Bombyli.: Bom- 
bylius major; Sarcophag.: Cynomyia, Helicabia) 4-setosa; Musc.: 
Morellia, Phormia regina, terraenovae; Anthomy.: Phorbia acra, 
platura; Ortal.: Camptoneura. 
Lepidoptera (38)—Nymphal.: Anosia; Male Cyaniris; 
Papilion.: Laertias. 
Coleoptera (4)—Buprest.: Acmaeodera culta; Cerambyc.: Mo- 
lorchus; Cler.: Enoplium; Scarabae.: Euphoria fnleide, 
Crataegus mollis (15: 443-4)—Blooms April 10-May 17; 73 
visitors observed, April 27—May 9; Mis, W. 
Long-tongued Bees (4)—Ap.: Apis se, ab; Bomb.: Bombus 
americanorum @; Ceratin.: Ceratina ¢; Eucer.: Tetralonia 
dilecta 3 9. 
Short-tongued Bees (28)—Halict. (2): Augochlora viridula, 
Chloralictus cressonii, pilosus se, sparsus se, ab, versatus, zephyrus 
se, ab, Evylaeus arcuatus se, foxii se, pectoralis sc, fq, Halictus 
lerouxil se, fq, Oxystoglossa confusa se, Seladonia se, fq; Collet.: 
Colletes inaequalis ¢ 9; Andren.: Andrena dunningii 9, sc, ab, 
mandibularis 9, se, nasonii <4, pruni 9, se, sayi ¢ 9, se, fq, Opan- 
drena cressonii ¢ 9, se, ab, miserabilis ¢ 9, fq, Trachandrena clay- 
toniae ¢ 9, fq, crataegi ¢ 9, ab, forbesii 9, sc, hippotes ¢, nuda ¢ 
9, rugosa J, fq. 
Other Hymenoptera (4)—Vesp.: Polistes pallipes, variatus, 
Vespula germanica; Eumen.: Ancistrocerus tigris. 
Diptera (30)—Syrph.: Brachypalpus frontosus, Chilosia punc- 
tulata, Chrysogaster ontario, Criorhina umbratilis, Eristalis dimid- 
iatus, Helophilus similis, Myiolepta strigilata fq, Orthoneura picti- 
pennis, Pipiza nigribarba, Psilota, Syrphus americanus, Xylota 
fraudulosa; Empid.: Empis avida, humilis, nuda, otiosa, Rham- 
phomyia piligeronis, priapulus fq, sordida fq, in cop, tersa; 
Bombyli.: Bombylius major; Conop.: Myopa vesiculosa fq, in cop; 
Tachin.: Alophora grandis, cotype; Sarcophag.: Calliphora erythro- 
cephala, vomitoria, Cynomyia; Musc.: Morella, Phormia regina, 
Pseudopyrellia; Anthomy.: Phorbia platura. 
Lepidoptera (1)—Nymphal.: Polygonia interrogationis. 
Coleoptera (6)—Cerambyc.: Molorchus ; Chrysomel.: Diabrotica 
vittata, Disonycha; Cler.: Enoplium; Oedemer.: Asclera puncti- 
collis ; pyrite gs Euphoria fulgida. 
