194 FLOWERS AND INSECTS—XXVI 
pectoralis ¢' 9, 2, Halictus lerouxii 9, 1, Oxystoglossa confusa 9, 1. 
Other Hymenoptera (3:3)—Sphec.: Ammobia ichneumonea 1; 
Scoli.: Elis 5-cineta 1; Humen.: Leionotus foraminatus 1. 
Diptera (11: 27)—Syrph.: Allograpta 2, Orthoneura nitida 1, 
Syrphus americanus 2; Zachin.: Archytas aterrima 1, Peleteria 1; 
Sarcophag.: Calliphora erythrocephala 1; Musc.: Graphomyia 1, 
Lucilia caesar 4, Phormia regina 1, Pseudopyrellia 11; Anthomy.: 
Phorbia acra 2. 
Lepidoptera (1: 1)—Ctenuch.: Scepsis 1. 
Coleoptera (1: 1)—Malach.: Anthocomus 1. 
UMBELLIFERAE 
Anethum graveolens (Mis, Y: cult).—July 12-16, 1920, 1000 
individuals taken on the flowers showed: 
Long-tongued Bees (2)—Ap. 1, Megachil. 1. 
Short-tongued Bees (635)—Halict. f 9, mostly 2 se., 585, Pro- 
sopid. S 9, 50. 
Other Hymenoptera (48)—Oxybel. 19, Cercer. 12, Scoli. 4, 
Bracon. 3, Larr. 2, Eumen. 1, Nysson. 1, Sphec. 1. 
Diptera (292)—Syrph. 246, Musc. 27, Sarcophag. 7, Anthomy. 
4, Tachin. 4, Oscin. 2, Mycetophil. 1, Seps. 1. 
Hemiptera (25)—Caps. 
Coleoptera (3)—Fam.? 1, Mordell. 2. 
Chaerophyllum procumbens (12: 459-60).—Blooms April 6-— 
May 26; 49 visitors observed, April 16—-May 4; Pol, W. 
Long-tongued Bees (4)—Megachil.: Ceratosmia 2, Osmia pumila 
2, Nomad.: Heminomada 0, Nomada sayi ¢ type. 
Short-tongued Bees (12)—Halict. (2): Chloralictus cressonii, 
obscurus, sparsus, versatus, Evylaeus 4~maculatus type; Halictus 
lerouxii fq, Oxystoglossa confusa, pura; Sphecondini: Proteraner 
36; Andren.: Andrena carlini 2, nasonii 9, sc, Opandrena ziziae ¢. 
Other Hymenoptera (4)—Chalcid.: Chrysocharis oscinidis; 
Ichneumon.: Gambrus albonotatus, apicatus, Pimpla marginata. 
Diptera (23)—Simuls.: Simulium; Syrph.: Chilosia petulea, 
Mesogramma geminata in cop, marginata, Orthoneura nitida, 
Paragus bicolor, tibials, Pipiza femoralis, nigribarba, Psilota, 
Sphaerophoria, Syrphus americanus, torvus, ribesii; Phor.: Tri- 
neura; Sarcophag.: Helicobia helicis; Musc.: Myospila, Pseudo- 
pyrellia; Anthomy.: Phorbia acra; Seps.: Sepsis; Oscin.: Elachip- 
tera costata, Hippelates flavipes, Ossinis soror. 
Coleoptera (4)—Chrysomel.: Diabrotica vittata, Glyptina, 
Mantura; Anthic.: Corphyra terminalis. 
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