28 FLOWERS AND INSECTS—XXVI 
Coleoptera (1)—Scarabae.: Trichius piger n. 
Hemiptera (2, n)—Caps.: Lygus; Lygae.: Lygaeus. 
ARACEAE 
Arisaema triphyllum.—Blooms April 27—July 1; 1 visitor ob- 
served, May 11, also twenty specimens belonging to about seven 
species of Nematocera; Mi, Y. 
Hemiptera (1)—WNab.: Coriscus. 
ARISTOLOCHIACEAE 
Aristolochia tomentosa.—Blooms May 9-June 24; 5 visitors 
observed, May 15—June 13; Mi, Y. 
Diptera (4)—Chironom.: Ceratopogon websteri; Mycetophil.: 
Sciara atrata, vulgaris; Phor.: Phora. 
Coleoptera (1)-——Melandry.: Canifa. 
ASCLEPIADACEAE 
According to the situation of the pollinia the insects carrying 
them are marked: c=claws, emp=empodium, f= face, g=glossa, 
h=tarsal hairs, 1=labrum, lp =labial palpi, mp = maxillary palpi, 
p=pulvillus, sp = tibial spur, t = proboscis, usually palpi, vs = hairs 
of ventral surface. 
Acerates floridana (1: 245-7; 13:576-7).—Blooms June 24— 
August 16; 18 visitors observed, July 5-August 16; Mas, W. 
With polluma (10) :— 
Long-tongued Bees (6:21)—Ap.: Apis vs; Bomb.: Bombias 
scutellaris $, vs, ab, separatus ¢ ? G, 1, t, vs, ab; Megachil.: 
Megachile generosa 9, vs, mendica 9, vs. 
Other Hymenoptera (4)—Sphec.: Priononyx atrata vs; Bembic.: | 
Bembix nubillipennis 1, ab; Philanth.: Cerceris bicornuta vs, f, t; 
Pompil.: Priocnemoides unifasciatus vs, t. 
Coleoptera (1)—Scarabae.: Trichius piger vs. 
Without pollinia (8) :— 
Long-tongued Bees (1)—Megachil.: Megachile brevis 9. 
Other Hymenoptera (5)—Scoli.: Elis 5-cincta; Philanth.: Cer- 
ceris compar; Vesp.: Polistes variatus ; Hwmen.: Leionotus arvensis ; 
Bracon.: Orgilus. 
Lepidoptera (2)—Lycaen.: Chrysophanus; Ctenuch.: Scepsis fq. 
Acerates viridiflora (1:247-8).—Blooms June 8—July 29; 5 
visitors observed, June 14—July 29; Mas, Y. 
Long-tongued Bees (3, h)—Bomb.: Bombias scutellaris 9, sepa- 
ratus 9, fq; Hucer.: Anthedon ~&. 
