38 Myron Harmon Swenk 
think the two are identical. The types of nitidus came from St. 
John’s Bluff, east Florida. | 
SPECIMENS ExAMINED—Florida: Layettiess 2; Orange county, 
Colletes productus Robertson. 
1891. Colletes productus Robertson, Transactions of the American En- 
tomological Society, xviii, pp. 62-63, ¢ (April, 1891); original 
description. 
1904. Colletes productus Robertson, Canadian Entomologist, xxxvi, no. 
9, p. 278, & (September, 1904) ; in table of Illinois species. 
2. Length 9 mm. Clypeus convex, shining, with coarse, well-separated 
punctures, closer and shallow in a broad median sulcus. Supraclypeal area 
closely punctured, shiny. Face finely and closely punctured, the foveae 
very prominent, impunctate. Sides of vertex shining, subimpunctate but 
for a very few, scattered, small, round punctures. Cheeks shiny, finely 
and indistinctly punctured. Pubescence of face, vertex, occiput, and cheeks 
very thin, short, and pale grayish white. Malar space one-half as long as 
wide. Antennae short, black with the flagellum brown beneath, joint 3 
longer than 4 or 5, the proportion being 4:3:3, the median flagellar joints 
three-fourths as long as wide. Prothoracic spine very short and blunt. 
Mesothorax shining, sparsely and very finely punctured, these distant even 
on anterior margin, a large impunctate disk. Scutellum shining, anteriorly 
scarcely punctured, posteriorly with coarse, separated punctures. Post- 
scutellum dull, coarsely roughened. Superior face of metathorax very 
well defined and divided into rather regular squarish pits. Enclosure pol- 
ished, funnel-shaped, the bowl very convex with a median carina and sev- 
eral lateral ridges, the neck concave, very broad, smooth. Surrounding 
areas shining, sparsely and weakly pitted. Mesopleura with coarse, round, 
well-separated punctures. Pubescence of thoracic dorsum dull brownish 
gray, scarcely mixed with black on the disk, but with a few black and nu- 
merous dark brown hairs among the pale ones on scutellum, the meta- 
thorax, pleura, and under parts with thin grayish white hair. Tegulae 
black. Wings clear, nervures and stigma pale brown. Legs clothed with 
pale pubescence, on tarsi within tinged with golden, the basal joint of hind 
tarsi three times as long as wide, median joints twice as long as wide. An- 
terior coxae unarmed. Claws rufous, deeply medially toothed. Tibial 
spurs dark brown, the hind ones on hind tibiae not pectinate. Abdomen 
stout, suboval, first segment shiny, very sparsely and feebly punctured, 
second segment much more closely but rather indistinctly punctured, fol- 
lowing segments indistinctly punctured. Apical margins of segments 1-3 
depressed, 1 on sides only, and with thin lateral fasciae, 2 and 3 with en- 
tire white fasciae, 4 and 5 not fasciate. Basal segment with thin, short, 
80 
J {~ Foe 
