19201 Lutz and Cockerell, Notes on American Bees 505 



(Provancher). 



Apathus elattis Provancher, 1882, p. 269. St. Anne de Laporade, Canada. 



B. penmyU'anicuH Haiullirsch, 1888, p. 238 (part). Georgia. 



B. pertmylvattirus Coville, 1890, p. 200. Discusses the "elatus" question. 

 See also Robertson, 1890, p. 40. 



Robertson, 1891o, pp. 5G9-597. Carli:iville, Ilu.vois; at Asclepuut vcrticil- 

 lata, incarnata, cornuti, and purpurescen^, Geiitiatia atulrewisii, Linaria vulgarvt, 

 Phlox divaricata, Polemonium reptmis, Hydrophyllum virginicum and appendi- 

 culatum, Mertcima virginica, Iponuxa panduaraia, C,ont>olvulws sepium, Sola- 

 num nigrum and carolinense, Verbascum thapsuts, Collinsia verna, Pentstemon 

 pubescens and ket^igatus digitalia, Veronica virginica, Seymeria macrophyUa, 

 Gerardia pedicularia, purpurea, tenuifolia, and auriculata. 



Robertson, 1894, pp. 43(>-475. Macoupin County, Illinoih; at Prunus 

 serotina, Kubus tnUosua, Potentilla caTiadensiji, RoRa humilia and setigera, Pyrua 

 coronaria, Crat(pguii coccinea and rnuigalli, V eronia fasciculata (printed nove- 

 boracensis but changed by author in copies he sent out), Lacinaria [" Liairiti"] 

 pycnostachya, Solidago canadensis, nemoralis, and lanceolata, BoUonia aste- 

 roides. Aster noiHsanglia: and jmniculaitui, Aniennaria plantaginifolia, Sil- 

 phium laciniatuin, Heliatdhus mollis, grosseserratus, and lid)erosuM, Vcrbegina 

 helianthoides, Coreopsis palmala, tripteris, and aristosa, Bidens chrysanthe- 

 moide^, Helinium autumnale, and Cnicus altissimus, allissimus diacolor, and 

 lanceolatun . 



Robertson, 1895, pp. 140-143, 145, 148. At Gentiana pubenda, Frasera 

 carolinetisis, Phlox pilosa, Lithospermum canescens, Mimtdus alatus and 

 ringens. 



Robertson, 1896, pp. 156, 159, 160, 162, 165, 175, 176, 178. At Podo- 

 phyllum peliatum, ^^sculus, Astragalus canadensis and mexicanus, Gymno- 

 cladus canadensis. Aster ericoides vioUosus, Silphium perfoliatum, and Rud- 

 beckia laciniata. 



Robertson, 1896a, p. 158. At Rhamnus lanceolata. 



Psithyrus elatus Dalla Torre, 1896, p. 569. 



Cockerell, 189Sd, p. 71 . Mesilla Valley, New Me xico. 



Robertson, 1898a, pp. 230-244. At Lesjtedeza reticulata, Cornus paniculata, 

 Viburnum pubescens, Lonicera sullivantii, and Helianthns divariccUus. 



Cockerell and Porter, 1899, p. 388. Ijas Vegas, New Mexico; VI-X; 

 at Cleome serrulata; (Ri.shel) . 



Psithyrus cevallicp Cockerell, 1899, p. 157. Las Cruces, New Mexico; 

 VIII; at Cevallia sinuata. Also Mesilla Park, Nkw Mexico; XI; at Aster 

 canescens viscosus. 



B. pennsylvanicus Cockerell, 1899r, p. 3. Baldwin, Douglas County, 

 Kansas; (Bridwell). 



B. pennsylvanicus Birkinan, 1899, p. 245. Fedor, Ia'v County, Texas. 



B. pennsylvanicus Meehan, 1902, p. 35. Visited blue Lobelia syphiliiica 

 but not scarlet Lobelia cardinalis. 



B. titusi Ashmead, 1902, p. 50. <f. Ummr. Colorado; IX: (Gillette); 

 see Titus, 1902, p. 42. 



Barks, 1902, p. 212. Sleeping habits. 



B. pennsylvanicus Titus, 1902, p. 42. Fort Collins, Foothills, Livermore, 

 ^'i^pi"ia Dale, Julesburg, and Rocky Ford, Cou>rado; VI-IX, 



