172 FLOWERS AND INSECTS—XXVI 
major; Conop.: Myopa vesiculosa; Tachin.: Euphorocera claripen- 
nis, Gonia capitata fq; Sarcophag.: Cynomyia fq; Musc.: Phormia 
regina, Pseudopyrellia; Anthomy.: Anthomyiella, Phorbia platura 
ab; Oscin.: Chlorops versicolor. 
Lepidoptera (7)—Nymphal.: Anosia, Vanessa atalanta, huntera ; 
Papilion.: Jasoniades, Pontia fq; Hesperi.: Thanaos juvenalis; 
Noctu.: Plusia simplex. 
Coleoptera (3)—Cerambyc.: Molorchus; Chrysomel.: Orso- 
dachna; Scarabae.: Valgus. 
Prunus serotina (15: 436-7).—Blooms April 9—May 23; 64 vis- 
itors observed, April 9—May 18; Mis, W. * 
Long-tongued Bees (7)—Ap.: Apis se, ab; Bomb. (2): Bom- 
bias separatus, Bombus americanorum fq, impatiens; Ceratin.: 
Zaodontomerus ¢'; Nomad.: Nomada illinoensis 9; Eucer.: Tetra- 
lonia dilecta ¢ 9. 
Short-tongued Bees (23)—Halict.: Agapostemon radiatus ¢, 
fq, Augochlora viridula 9, Chloralictus cressonii 9, se, pilosus Q, 
sc, sparsus Q, se, fq, versatus 9, se, fq, zephyrus 9, se, Curtisapis 
coriacea 9, se, fq, Halictus lerouxii 9, se, fq, Oxystoglossa similis 9, 
se, fq, Seladonia 9, sc; Collet.: Colletes inaequalis 9; Andren.: 
Andrena erythrogastra ?, pruni 9, se, fq, type, sayi 9, se, Opan- 
drena cressonil ¢ 9, se fq, miserabilis 9, se, ab, Trachandrena clay- 
toniae 9, se, fq, crataegi 4, forbesii 9, sc, hippotes ¢, nuda Q, se, 
rugosa ¢. 
Other Hymenoptera (2)—Vesp.: Polistes pallipes; Tenthredin.: 
Dolerus sericeus. 
Diptera (29)—Bibion.: Scatopse notata fq; Simulc.: Simulium; 
Stratiomy.: Stratiomyia quaternaria; Syrph.: Brachyopa, Eristalis 
aeneus fq, dimidiatus, Mallota cimbiciformis, Myiolepta strigilata, 
Orthoneura nitida, pictipennis, Pipiza nigribarba, Sphaerophoria, 
Sphegina rufiventris, Syritta, Syrphus ribesii; Empid.: Rham- 
phomyia sordida; Conop.: Myopa vesiculosa; Tachin.: Gonia eapi- 
tata, Siphona; Sarcophag.: Calliphora erythrocephala, Cynomyia, 
Sarcophaga cimbicis; Musc.: Lucilia caesar, sericata, Phormia 
regina, Pseudopyrellia; Anthomy.: Phorbia acra, platura; Scato- 
phag.: Seatophaga. 
Lepidoptera (2)—Nymphal.: Anosia, Vanessa huntera. 
Coleoptera (1)—Cerambyc.: Molorchus. 
Extra-floral nectaries—April 25, 1894, the following insects 
were observed sucking: 
Short-tongued Bees (6)—Halict. (2): Chloralictus illinoensis, 
sparsus, versatus; Andren.: Andrena erythrogastra Q, illinoensis J, 
Opandrena miserabilis 9. 
