CHARLES ROBERTSON 45 
Short-tongued Bees (19)—Halict.: Chloralictus obseurus 6, 
pilosus 9, sparsus 9, se, ab, versatus ¢ 2, fq, Evylaeus foxii 9, 
4-maculatus ?, Halictus lerouxii 2, Odontalictus ?, Oxystoglossa 
confusa 9, ab, similis 9, Seladonia 9; Collet.: Colletes inaequalis ¢; 
Andren.: Andrena illinoensis ?, sayi 4, Opandrena ecressonii ¢ 9, 
sc, in cop, type, miserabilis ¢ 2, personata ¢ 9, ab, Parandrena dj, 
Trachandrena forbesii 9. 
Other Hymenoptera (4)—Sapyg.: Sapyga; Chalcid.: Smicra 
torvina ; Ichnewmon.: Pimpla novita; Tenthredin.: Dolerus arvensis. 
Diptera (29)—Mycetophil.: Sciara atrata; Syrph.: Brachy- 
palpus frontosus, Chilosia capillata, Eristalis aeneus, dimidiatus, 
tenax, Melanostoma obscurum, Mesogramma geminata, marginata 
fq, Platychirus quadratus, Syritta, Syrphus americanus, ribesii; 
Tachin.: Gonia capitata ab, exul fq, Siphona; Sarcophag: Cynomyia 
fq; Musc.: Lucilia caesar, sericata, sylvarum, Musca, Myospila, 
Phormia terraenovae, Pollenia, Pseudopyrellia; Anthomy.: Phorbia 
acra, platura; Borbor.: Borborus; Scatophag.: Scatophaga. 
Lepidoptera (2)—Nymphal.: Vanessa huntera; Lycaen.: Cyan- 
iris. 
Hemiptera (1)—Lygae.: Lygaeus. 
May 6, 8, 1916, the first 100 individuals, representing 19 species, 
taken on the flowers are as follows: 
Long-tongued Bees (1: 2)—Nomad.: Gnathias ovatus 2. 
Short-tongued Bees (7: 73)—Halict.: Chloralictus sparsus 40, 
versatus 5, Evylaeus 4-maculatus 2, Oxystoglossa similis 2; Andren.: 
Opandrena cressonii 2, miserabilis 1, personata 21. 
Other Hymenoptera (1: 1)—Sapyg.: Sapyga 1. 
Diptera (10: 24)—Syrph.: Mesogramma geminata 2, marginata 
6, Syritta 1; Tachin.: Siphona 3; Musc.: Lucilia caesar 1, sericata 1, 
sylvarum 4, Pollenia 1; Anthomy.: Phorbia acra 4, platura 1. 
CELASTRACEAE 
Celastrus scandens.—Blooms May 21—June 3; 6 species and 15 
individuals observed, May 24; Mi (Mis), Y. 
Long-tongued Bees (1:1)—Megachil.: Hoplitis 9, 1. 
Short-tongued Bees (4: 13)—RHalict.: Augochlora fervida 9, 1, 
Chloralictus versatus 9, sc, 4; Collet.: Colletes aéstivalis ¢ 9, 6; 
Andren.: Opandrena eressonii 9, se, 2. 
Other Hymenoptera (1: 1)—2Humen.: Leionotus foraminatus 1. 
Evonymus atropurpureus (16: 158).—Blooms May 25—June 23; 
22 species and 51 individuals observed, June 7, 8, 11, 15; Mi, R. 
Short-tongued Bees (5:11, 9)—Halict.: Chloralictus sparsus 5, 
versatus 3, zephyrus 1, Oxystoglossa confusa 1, pura 1. 
