CHARLES ROBERTSON 35 
Short-tongued Bees (10)—Halict.: Augochlora fervida ¢ 9, h, 
Chloralictus pilosus 9, mp, versatus ¢ ?, p, Curtisapis forbesii ¢, 
lp, Evylaeus pectoralis 9, h, Halictus lerouxii ¢ 9, h, ¢, t, Seladonia 
o 2, h, p, ab; Sphecodini: Machaeris stygia 9, h, Sphecodes arvensis 
3, h, t; Prosopid.: Prosopis ziziae 9, p. 
Other Hymenoptera (32)—Sphec. (h): Ammobia ichneumonea 
fq, pennsylvanica, Isodontia apicalis, Priononyx thomae; Bembic.: 
Bembix numbilipennis h; Scoli.: Elis obscura h, 5-cincta h, t, fq, 
Seolia bicincta h; Philanth.: Cerceris bicornuta h, ab, clypeata h, 
e, fq, compacta h, ¢e, fq, raui h, fulvipes h, robertsonii h; Vesp.: 
Polistes variatus h; Eumen.: Eumenes fraternus h, ¢, t, Leionotus 
anormis h, t, ab, arvensis h, fq, foraminatus h; Crabron.; Ana- 
erabo ¢, p, Protothyreopus rufifemur h, p, fq; Larr. (h): Astatus 
unicolor, Tachytes distinctus, elongatus, mandibularis, pepticus 
fq; Pompil. (h): Anoplius illinoensis, Batizonus, Lophopompilus 
philadelphicus, Priocnemoides fulvicornis, terminatus; J'enthre- 
din.: Hylotoma humeralis h. : 
Diptera (16)—Syrph.: Eristalis latifrons h, Syritta ¢, Tropidia 
quadrata h; Mida.: Midas clavatus h; Conop.: Physocephala texana 
h, tibialis h; Tachin.: Archytas analis h, Clytiomyia h, t, Linnae- 
myia h, t, Ocyptera tenuis h, t, Spallanzania h, ¢, p, t, Xanthomel- 
ana t, n, Senotainia trilineata t, fq, n; Musc.: Compsomyia e, t, 
Phormia regina c, Pseudopyrellia h, ¢, t. 
Lepidoptera (3, h)—Nymphal.: Anosia; Hesperi.: Pholisora 
hayhurstii, Polites. 
Without pollinia (60) :— 
Long-tongued Bees (1)—Bomb.: Bombus americanorum 9. 
Short-tongued Bees (4)—Halic.: Agapostemon radiatus 9, 
Chloralictus albipennis (', sparsus 9; Sphecodini: Sphecodium 
eressonii ¢. 
Other Hymenoptera (9)—Sphec.: Priononyx atrata, Sceli- 
phron, Sphex nigricans; Scoli.: Elis interrupta; Philanth.: Cerceris 
finitima; Crabron.: Solenius; Ozybel.: Notoglossa frontalis; 
Formici.: Formica rufibarbis; Chrysid.: Holopyga. 
Diptera (29 n)—Syrph.: Allograpta, Eristalis transversus, 
Mesogramma marginata, polita, Orthoneura nitida, Paragus bicolor, 
Sphaerophoria; Empid.: Parempis; Bombyli.: Exoprosopa fasciata, 
Systoechus; Conop.: Conops brachyrrhynchus; Tachin.: Cisto- 
gaster occidua, Exorista confinis, Gymnoprosopa, Ennyomma glo- 
bosa, Paradidyma, Phorantha purpurascens, Senotainia rubri- 
ventris, Siphoplagia anomala, flaccidirostris, Trichopoda pennipes, 
Trichophora; Sarcophag.: Helicobia helicis, Sarcophaga sinuata; 
