CHARLES ROBERTSON 195 
Hemiptera (2)—Corimelaen.: Corimelaena pulicaria, lateralis. 
Cicuta maculata (12:459-60).—Blooms June 27-September 
16; 283 visitors observed, July 8-September 8; Pol, W. 
Long-tongued Bees (7)—Megachil.: Megachile brevis 4, petu- 
lans ¢, Sayapis pugnata 2; Bomb.: Bombias auricomus ¢, Bombus 
impatiens $; Ap.: Apis; Zucer.: Melissodes bimaculata 2. 
Short-tongued Bees (22)—-Prosopid.: Prosopis illinoensis ¢ 9, 
pygmaea ¢ 9, saniculae 9, sayi ¢ 9, ziziae 9; Collet. (4): Colletes 
armatus, eulophi, latitarsis; Halict.: Agapostemon radiatus ¢ 9, 
viridulus ¢, Augochlora fervida 9, viridula 9, Chloralictus sparsus 
2, se, versatus fi 2, sc, Halictus lerouxii ¢ 9, se, fq, parallelus ¢ 9, 
se, Odontalictus 2, se, Oxystoglossa confusa 9, se, pura 9, Seladonia 
o 2; Sphecodini (¢ 2): Machaeris stygia, Sphecodes arvensis fq. 
Other Hymenoptera (147)—Crabron.: Anacrabro fq, Clyto- 
chrysus, Ectemnius, Hypocrabro, Lindenius errans fq, Protothy- 
reopus rufifemur, Pseudocrabro fq, Solenius, Xestocrabro 6-macu- 
latus, texanus, trifasciatus; Ozybel.: Notoglossa americana fq, 
cressonii type, emarginata, frontalis fq, inornata type, Oxybelus 
laetus, niger, packardii fq, 4-notatus fq; Tryporyl.: Trypoxylon 
tridentatum ; Philanth.: Cerceris bicornuta, clypeata, compacta fq, 
finitima, fumipennis, kennicottii, Eucerceris, Philanthus punctatus; 
Pemphredon.: Psen; Sphec.: Ammobia ichneumonea, pennsylvanica, 
Chalybion, Chlorion fq, Isodontia apicalis, macrocephala, Priononyx 
atrata, thomae, Sceliphron ab, Sphex gracilis, nigricans, vulgaris; 
Larr.: Astatus bicolor, unicolor fq, Larra, Larropsis, Lyroda fq, 
Notogonidea fq, Tachysphex acutus, belfragei fq, tarsatus, ter- 
minatus, Tachytes aurulentus fq, elongatus fq, mandibularis, ob- 
seurus, pepticus, sericatus; Bembic.: Bicyrtes 4-fasciata, Bembix 
spinolae, Megastizus fq, in cop, Sphecius fq, Stizus; Nysson.: Hop- 
lisus atricornis, simillimus, Nysson plagiatus, Zanysson aurinotus, 
Pseudoplisus phaleratus fq; Pompil.: Ageniella longula, Anoplius 
illinoensis, Arachnoproctonus, Batizonus, Ceropales bipunctata, 
elegans, fraterna, fulvipes, robinsonii, Cryptocheilus fulgifrons, 
Epysiron, Lophopompilus atrox, philadelphicus fq, Poecilopompilus 
interruptus, navus fq, Pompiloides americanus, Priocnemoides 
fulvicornis fq, terminatus, unifasciatus, Psammochares relativus 
fq, tenebrosus, Sophropompilus; Vesp.: Polistes annularis, pallipes, 
variatus fq, rubiginosus, Vespula cuneata, germanica, maculata, 
vidua ; Eumen.: Ancistrocerus campestris, tigris, Eumenes fraternus, 
Leionotus anormis, arvensis, dorsalis fq, foraminatus fq, 4-sectus 
fq, serophulariae, Monobia; Scoli.: Elis interrupta fq, obseura, 5- 
cincta ab, thoracica, Scolia bicincta fq, nobilitata; Tiphi.: Tiphia 
