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Paratetranychus simplex Banks, a red spider. 
Phoeni coco ecus marlatti Ckll. , red date scale. 
( Phthorimaea ) Gnorimo schema operculella Zell. , potato tuber worm. 
Phylloxe ra vitifoliae Fitch, grapevine phylloxera. 
Plodia intcrpunctella Hbn. , Italian meal moth. 
Poly chrosis "botrana Schiff., grape fruit moth. 
Popillia j aponic a Newm. , Japanese "beetle. 
Pseudophilus testaceus Gah. 
Pseudococcus spp. 
Rhynchites spp. 
( Silvrums ) Oryzaephilus surinamensis L. , saw-toothed grain beetle 
Tenebroide s maur it anie ns L. , cade lie. 
Triboliun confusum Duv. 
Tr ibolium ferrugii ieum Fab . 
Trioza "buxtoni Laing, a psyllid. 
Disease Organisms 
Actinomyces scabies (lhax.) G-uss. , common scab. 
Bacterium ( phytomonas ) citri (Hasse) Boidge. 
Bacterium syringae (Van Hall) E. F. Sm. = Phytomonas citriputea le, citrus 
blast or citrus black pit. 
Bacterium t umefaciens E. F. Sm. & Townsend. 
Heterodera ( radicicola) marioni (Cornu) Goodey, root knot. 
Spon- ospora subterranea (Walls) Lang, powdery scab. 
Synchytrium endobioticura (Schilb.) Perc, potato wart . 
Urocystis cepulae Frost, onion smut. 
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