434 APHIDS OF THE ROCKY MOUNTAIN REGION 
1905. Catalogue of the genera of Aphidae with a list of species described as new from 
1885. Canad. Ent. 37: 414-420. 
KNOWLTON, GEORGE F. 
1927a. Notes on a few Amphorophora of Utah. Pan-Pacific Ent. 3: 185-186. 
1927b. A new willow aphid from Utah. Pan-Pacific Ent. 3: 199. 
1927c. A new rabbit brush aphid from Utah. Ann. Ent. Soc. America. 20: 299-231. 
1927d. A few Capitophorus species of Utah with descriptions of two new species. Canad. 
Ent. 59: 235-238. 
1928a. A few western aphids with descriptions of three new species. Ann. Ent. Soc. 
America 21: 259-268. 
1928b. Three new aphids from Utah. Pan-Pacific Ent. 4: 169-172. 
1928c. A new juniper aphid from Utah with notes on a few other species. Florida Ent. 
12: 59-62. 
1928d. Notes on a few species of Macrosiphini from Utah with descriptions of two new 
species. Pan-Pacific Ent. 5: 79-84. 
1928e. Notes on a few species of Neothomasia from Utah. Ent. News 39: 233-235. 
1929a. A new juniper aphid from Utah with notes on a few other species. Part II. 
Florida Ent. 13: 4-8. 
1929b. Notes on a few species of Myzini from Utah with descriptions of two new species. 
Canad. Ent. 61: 9-15. 
1929c. Aphid notes from Utah. Pan-Pacific Ent. 6: 33-42. 
1930. Notes on Utah Lachnea. Canad. Ent, 62: 152-161. 
1932. Some Utah aphids. Utah Acad. Sc. 9: 109-110. 
1935a. Four Lupine aphids. Proc. Ent.. Soc. Washington 37: 112-115. 
1935b. Four western aphids. Ann Ent. Soc. America 28: 281-284. 
1935c. Notes on western aphids. Pan-Pacific Ent. 11: 135-42. 
1935d. Aphid notes. Canadian Ent. 67: 190-195. 
1936a. Knowlton and Smith. Aphid studies. Festschrift zum 60 Geburtstage Prof. Dr. 
Embrik Strand, I. 487-492. lzdevnieciba ‘‘Latvija’’ Riga Spiestuva ‘Latvija’ Riga, 
Parka Iela 8. 
1936b. Knowlton and Smith. Rose insects. Utah Academy of Sci. Arts and Letters, 13: 
263-267. (May) 
1936c. Knowlton and Smith. Capitophorus aphids infesting Chrysothamnus. Can. Ent., 
68: 107-113. (May) 
1936d. Knowlton and Smith. The aphid genus Epameibaphis in Utah. Proc. Ent. Soc. 
~ Wash., 38: 89-92. (May) 
1936e. Knowlton and Smith. Capitophorus aphids infesting Artemisia. Can. Ent., 68: 
229-234. (Oct.) 
1936f. Notes on intermountain aphids. Ent. News, 47: 210-214. (Oct.) 
1936g. Knowlton and Smith.: Descriptions of some rabbit brush and willow aphids. Ann. 
Ent. Soc. Amer.; 29, 776-778. (Dec.) 
1937a. Asiphonaphis and Aphis studies. Ent. News, 48: 170-172. (June) 
1937b. Knowlton and Allen. Bramble fruit aphids. Ann. Ent. Soc. Amer., 30: 309-316. 
(June) 
1937c. Knowlton and Smith. Some aphids of the genus Capitophorus. Can. Ent., 69: 
150-152. (July) 
1938a. Three Macrosiphina aphids. Jour. Kans. Ent. Soc., 11: 13-16. (Jan.) 
1938b. Knowlton and Smith. Notes on western conifer aphids. Ent. News 49: 65-69. 
(Mar.) 
1938c. Knowlton and Allen. Macrosiphum aphids infesting Artemisia. Can. Ent., 70: 
73-83. (April) ; 
1938d. Knowlton and Smith. The aphid genus Pseudoepameibaphis. Journ. N. Y. Ent. 
Soc., 46: 217-222. (June) 
1939. Knowlton and Allen. Aphids of the genus Kakimia infesting Ribes. Ent. News, 
50: 166-171. (June) 
1940a. Knowlton and Allen. Five Mucrotrichaphis aphids. Ohio Jour. Sci., 40: 31-35. 
(Jan. ) 
1940b. A new geranium aphid. Ent. News 51: 196-197. 
1940c. Three aphids of the genus Brevicoryne. Ann. Ent. Soc. Amer., 33: 404-5. (June) 
1941a. Western aphid notes. Ent. News, 52: 136-138. (May) 
1941b. Studies of western aphids. Proc. Utah Acad. Sci., Arts and Letters, 18: 41-44. 
1942a. Knowlton and Fronk. Some grass aphid host records. Ent. News, 53: 112-114. 
(April) 
