000 00297 am a2200121 a 4500
100 1 _aLovett, A.L.
245 1 _aHop red spider
260 _aCorvallis
_c1923
300 _a1-2 p.
942 _2udc
_cB
440 _aSpider Oregon Agricultural Experiment Station. Circular No. 36
901 _aS47728
999 _c103673
_d103673