IPM Pest and Plant Disease Models and Forecasting
 
DD calculator linked to US map
for Agricultural, Pest Management, and Plant Biosecurity Decision Support in the US
 USPEST.ORG/WEA: List of available Phenology/Degree Day models. Table of DD model/calculator usage
 Note: click on table header to sort table

# Model/links to general info. Abbrev Image Links to
run model &
model summary
Type Model Documentation if avail. Region of Known Usage Validation Status Lower
Threshold
1. Degree-Day Calculator aaa adult
summary
run:
ddmodel.us
MyPest Page
generic calculator general introduction USA in regular use 41
2. T-Sum 200 aats adult
summary
run:
ddmodel.us
MyPest Page
crop Forage Management OSU Forage Info System Pacific Northwest Long used to time N fert. in pastures (run in degrees F = 360 DDs) 32
3. Asian citrus psyllid, Diaphorina citri [citrus] acp adult
summary
run:
ddmodel.us
MyPest Page
invasive insect OSU IPPC model analysis UC Davis IPM Florida under development 52
4. Asian longhorned beetle [num. trees] alb adult
summary
run:
ddmodel.us
MyPest Page
invasive insect OSU IPPC model analysis Developed from multiple studies including Smith and Keena Could benefit from data from additional years and regions 50
5. apple maggot 1st emerge [cherry, apple] am1 adult
summary
run:
ddmodel.us
MyPest Page
insect Jones etal 89 Utah testing 44
6. apple maggot % emerge [cherry, apple] am2 adult
summary
run:
ddmodel.us
MyPest Page
insect Jones etal 89 UT and OR testing 44
7. apple scab infection season [apple] asc damage
summary
run:
ddmodel.us
MyPest Page
disease Gadoury etal 1995 Pacific Northwest not fully tested 32
8. pear scab infection season [pear] asp damage
summary
run:
ddmodel.us
MyPest Page
disease Spotts et al. 2000 Pacific Northwest in use in W. Oregon 32
9. Alfalfa Weevil #1 [alfalfa] aw1 adult
summary
run:
ddmodel.us
MyPest Page
insect U WY from: Harcourt 1981 Northern US/S. Canada Northern States (ND, WY) 48
10. bertha armyworm [vegetables] baw adult
summary
run:
ddmodel.us
MyPest Page
insect Bailey 1976 Pacific Northwest not fully tested 45
11. black cutworm Mich. State Univ. [vegetables] bcw adult
summary
run:
ddmodel.us
MyPest Page
insect Luckmann etal 1976 UC Davis Pacific Northwest partly validated 50
12. brown marmorated stink bug [multiple] bms adult
summary
run:
ddmodel.us
MyPest Page
invasive insect Nielsen etal 08 data collected in PA under development - new invasive species 54
13. broccoli [Arcadia] bra adult
summary
run:
ddmodel.us
MyPest Page
crop Andrews et al 2016 W. Oregon new model-not yet fully validated 32
14. broccoli [Emerald Pride] bre adult
summary
run:
ddmodel.us
MyPest Page
crop Andrews et al 2016 W. Oregon new model-not yet fully validated 32
15. broccoli [Green Magic] brg adult
summary
run:
ddmodel.us
MyPest Page
crop Andrews et al 2016 W. Oregon new model-not yet fully validated 32
16. broccoli [Imperial] bri adult
summary
run:
ddmodel.us
MyPest Page
crop Andrews et al 2016 W. Oregon new model-not yet fully validated 32
17. barley brl adult
summary
run:
ddmodel.us
MyPest Page
crop Miller MSU, Miller et al. 2001 Montana partly validated 32
18. cabbage looper U. Minn. [vegetables] cbl adult
summary
run:
ddmodel.us
MyPest Page
insect Toba etal 1973 Pacific Northwest not fully tested 50
19. corn earworm [sweet corn] cew adult
summary
run:
ddmodel.us
MyPest Page
insect Hartstack etal 1976 Pacific Northwest partly validated 55
20. w. cherry fruit fly v2 [cherry E. of Cascades] cf2 adult
summary
run:
ddmodel.us
MyPest Page
insect Jones etal 91,Song etal 2004 dev. in UT (Cache Co.), WA (Chelan Co.), and Mid-Columbia OR in general use, revised June 2011 41
21. w. cherry fruit fly [cherry W. of Cascades] cff adult
summary
run:
ddmodel.us
MyPest Page
insect AliNiazee 1979 Pacific Northwest-W. of Cascades fully validated 41
22. chick pea Desi chk adult
summary
run:
ddmodel.us
MyPest Page
crop Miller MSU, Miller et al. 2001 Montana partly validated 32
23. codling moth revised 06 [apple & pear] cl2 adult
summary
run:
ddmodel.us
MyPest Page
insect Knight 2006 used in WA actively undergoing evaluation 50
24. codling moth WSU [apple & pear] cl3 adult
summary
run:
ddmodel.us
MyPest Page
insect Jones etal 2008 support for use in WA only actively undergoing evaluation 50
25. cereal leaf beetle [grasses] clb adult
summary
run:
ddmodel.us
MyPest Page
insect Fulton etal 1975 OSU, OSU IPPC model analysis used in USA requires local validation 48
26. codling moth [apple & pear] clm adult
summary
run:
ddmodel.us
MyPest Page
insect Brunner and Hoyt (1987) Pacific Northwest Fully tested and in use 50
27. cabbage maggot - Delia radicum (L.) cm1 adult
summary
run:
ddmodel.us
MyPest Page
insect UC Extension OSU DDs info cards (pdf) Pacific Northwest partly validated 39.7
28. cucumber-Marketmore 76 (dir. seeded) cmds adult
summary
run:
ddmodel.us
MyPest Page
crop Andrews etal 2016 W. Oregon new model-not yet fully validated 50
29. cucumber-Marketmore 76 (transplant) cmtp adult
summary
run:
ddmodel.us
MyPest Page
crop Andrews et al 2016 W. Oregon new model-not yet fully validated 50
30. canola (B. napus, Arg) cnl adult
summary
run:
ddmodel.us
MyPest Page
crop Miller MSU, Miller et al. 2001 Montana partly validated 32
31. canola (B. rapa, Pol) cnp adult
summary
run:
ddmodel.us
MyPest Page
crop Miller MSU, Miller et al. 2001 Montana partly validated 32
32. canary seed cnr adult
summary
run:
ddmodel.us
MyPest Page
crop Miller MSU, Miller et al. 2001 Montana partly validated 32
33. cucumber-Cobra (direct seeded) cuco adult
summary
run:
ddmodel.us
MyPest Page
crop Andrews et al 2016 W. Oregon new model-not yet fully validated 50
34. cucumber-Dasher II (direct seeded) cuda adult
summary
run:
ddmodel.us
MyPest Page
crop Andrews et al 2016 W. Oregon new model-not yet fully validated 50
35. cucumber-Extreme (direct seeded) cuex adult
summary
run:
ddmodel.us
MyPest Page
crop Andrews et al 2016 W. Oregon new model-not yet fully validated 50
36. cucumber-Supremo (direct seeded) cusu adult
summary
run:
ddmodel.us
MyPest Page
crop Andrews et al 2016 W. Oregon new model-not yet fully validated 50
37. cucumber-Zapata (direct seeded) cuza adult
summary
run:
ddmodel.us
MyPest Page
crop Andrews et al 2016 W. Oregon new model-not yet fully validated 50
38. downy brome db weed closeup
summary
run:
ddmodel.us
MyPest Page
weed Dan Ball etal 2004 publication (pdf) inland Pacific NW validated - see publication 32
39. Diorhabda carinulata [weed biocontrol] dca adult
summary
run:
ddmodel.us
MyPest Page
insect OSU IPPC model analysis v1 DeLoach et al. 2011 Devel. for W. USA under development 52
40. douglas-fir needle midge [fir] dnm adult
summary
run:
ddmodel.us
MyPest Page
insect OSU IPPC model analysis now testing in W. Oregon under development - unvalidated 39
41. emerald ash borer [ash trees] eab adult
summary
run:
ddmodel.us
MyPest Page
invasive insect Duarte 2013 OSU IPPC model analysis Developed from 2011-2012 data in Great Lakes region US Could benefit from data from additional years and regions 50
42. early blight (A. solani) [potato tomato] ebl adult
summary
run:
ddmodel.us
MyPest Page
disease Gent Schwartz 03 MSU Potato Lab for use in most US states newly added-undergoing evaluation 44.6
43. european grapevine moth [grapes] egm adult
summary
run:
ddmodel.us
MyPest Page
invasive insect UC Coop Ext 2010-11 Calibrated for CA Bay Area Experimental, undergoing validation work 50
44. european pine shoot moth [nursery] eps adult
summary
run:
ddmodel.us
MyPest Page
insect Regan etal 1990 Pacific Northwest partly validated 28
45. Fenders blue butterfly [Kincades Lupine] fbb adult
summary
run:
ddmodel.us
MyPest Page
endangered species OSU IPPC model analysis Greg Fitzpatrick W. Oregon new - use with caution 41
46. cougarblight 2010ez-fire blight [apple, pear] fbl damage
summary
run:
ddmodel.us
MyPest Page
disease Smith WSU Pacific Northwest Validated & In Use - Contact Ken Johnson at johnsonk@science.oregonstate.edu 50
47. filbertworm [hazelnut] fbw adult
summary
run:
ddmodel.us
MyPest Page
insect Aliniazee (1983) Pacific Northwest partly validated 50
48. flax flx adult
summary
run:
ddmodel.us
MyPest Page
crop Miller MSU, Miller et al. 2001 Montana partly validated 32
49. fruittree leafroller [tree fruits & ornament.] ftl adult
summary
run:
ddmodel.us
MyPest Page
insect Judd etal 93 developed in BC, Canada unknown 41
50. Galerucella calmariensis [weed biocontrol] gca adult
summary
run:
ddmodel.us
MyPest Page
insect OSU IPPC model analysis v2 Cornell Univ. VA,OR,WA under development 50
51. gypsy moth egg hatch [mixed oak] gm1 adult
summary
run:
ddmodel.us
MyPest Page
invasive insect Russo etal 1993 East Coast US partly validated 37.4
52. gypsy moth larvae & pupae [mixed oak] gm2 adult
summary
run:
ddmodel.us
MyPest Page
invasive insect Carter etal 1992 East Coast US partly validated 45.8
53. gypsy moth from Jan 1 [oak-maple] gm3 adult
summary
run:
ddmodel.us
MyPest Page
invasive insect Sheehan-simpl. Midwest & PNW US experimental 42
54. hop downy mildew season initiation [hop] hdm damage
summary
run:
ddmodel.us
MyPest Page
disease Gent etal 2010 full pub. Hop IPM (pdf) Pacific Northwest supported in Oregon 42.8
55. hairy nightshade hns adult
summary
run:
ddmodel.us
MyPest Page
weed CROPTIME weed model W. OR research model - not yet validated 40
56. isomate-c+ ism damage
summary
run:
ddmodel.us
MyPest Page
insect mating disruption dispenser Pacific Biocontrol Corporation Data Pacific Northwest experimental 32
57. Japanese flower thrips [vegetables] jft adult
summary
run:
ddmodel.us
MyPest Page
invasive insect OSU IPPC model analysis data from Murai 2001 under development 52
58. Japanese knotweed psyllid, Aphalara itadori [weed biocontrol] jkp adult
summary
run:
ddmodel.us
MyPest Page
insect IPPC analysis CABI abstract US under development 43
59. Japanese beetle [multiple crops] jpb adult
summary
run:
ddmodel.us
MyPest Page
invasive insect APHIS data potential for use in US incomplete based on trapping data several years 50
60. Japanese pine sawyer beetle [pine trees] jpsb adult
summary
run:
ddmodel.us
MyPest Page
invasive insect OSU IPPC model analysis Dev. for use in US incomplete based on several studies mainly from Japan and Korea 54
61. Light Brown Apple Moth [omnivorous] lba adult
summary
run:
ddmodel.us
MyPest Page
invasive insect OSU IPPC model analysis W. USA new - use with caution 45
62. lambsquarter lbq adult
summary
run:
ddmodel.us
MyPest Page
weed CROPTIME weed model W. OR research model - not yet validated 42
63. lentil (int. grwth chars) lnt adult
summary
run:
ddmodel.us
MyPest Page
crop Miller MSU, Miller et al. 2001 Montana partly validated 32
64. Lacanobia fruitworm [apple & pear] lsu adult
summary
run:
ddmodel.us
MyPest Page
insect Doerr etal (2002) article by Jay Brunner Washington partly validated in WA 44
65. Lygus bug [alfalfa seed] lyg adult
summary
run:
ddmodel.us
MyPest Page
insect Ben Simko 2000 E. Oregon, SW Idaho partly validated 52
66. mint flea beetle mfb adult
summary
run:
ddmodel.us
MyPest Page
insect Berry etal Pacific Northwest partly validated 41
67. mummy berry infection season, APS Overview [blueberry] mmb damage
summary
run:
ddmodel.us
MyPest Page
disease Pscheidt 2014 W. Oregon experimental 32
68. Metaseiulus occidentalis moc adult
summary
run:
ddmodel.us
MyPest Page
mite predator Tanagoshi etal 1975 Pacific Northwest not fully tested 52
69. mint root borer mrb adult
summary
run:
ddmodel.us
MyPest Page
insect Berry etal Pacific Northwest partly validated 50
70. mustard (B. juncea, Brwn&Orntl) msj adult
summary
run:
ddmodel.us
MyPest Page
crop MSU, Miller et al. 2001 Montana partly validated 32
71. mustard (B. alba, Wht/Yell) msy adult
summary
run:
ddmodel.us
MyPest Page
crop Miller MSU, Miller et al. 2001 Montana partly validated 32
72. Neoseiulus fallacis nfa biocontrol
summary
run:
ddmodel.us
MyPest Page
mite predator Dover etal 1979 Pacific Northwest not fully tested 54
73. Oak Ambrosia Beetle [oak trees] oab adult
summary
run:
ddmodel.us
MyPest Page
invasive insect OSU IPPC model analysis Dev. for use in US presumptive model based on several studies mainly from Japan 52
74. oat oat adult
summary
run:
ddmodel.us
MyPest Page
crop Miller MSU, Miller et al. 2001 Montana partly validated 32
75. obliquebanded leafroller [tree fruits] ob2 adult
summary
run:
ddmodel.us
MyPest Page
insect Brunner etal (1997) Pacific Northwest not fully tested 43
76. obliquebanded leafroller [hazelnut] obl adult
summary
run:
ddmodel.us
MyPest Page
insect Gang. and Ali. (1985) Pacific Northwest partly validated 50
77. oriental fruit moth [stone fruit] ofm adult
summary
run:
ddmodel.us
MyPest Page
insect CA IPM California partly validated 45
78. omnivorous leaftier [multiple crops] olt adult
summary
run:
ddmodel.us
MyPest Page
insect OSU IPPC model analysis vers. 1.0 developed for use in NW USA new model would benefit from local validation 36
79. orange tortrix (cold winter) [small fruit] otc adult
summary
run:
ddmodel.us
MyPest Page
insect Knight (1988) Pacific Northwest partly validated 41
80. orange tortrix (mild winter) [small fruit] otm adult
summary
run:
ddmodel.us
MyPest Page
insect Knight (1988) Pacific Northwest partly validated 41
81. Helicoverpa armigera [cotton, corn, others] owbw adult
summary
run:
ddmodel.us
MyPest Page
invasive insect OSU IPPC model analysis Dev. for 48-state US vers. 1.1 51
82. pink bollworm [cotton] pbo adult
summary
run:
ddmodel.us
MyPest Page
insect UC Davis Cotton IPM 1996 model #3 UC IPM CA AZ NM used in CA 55
83. pecan nut casebearer [pecan] pcb adult
summary
run:
ddmodel.us
MyPest Page
insect Jackman and Harris (1988) in current use in NM and TX; OK version slightly different use with caution; requires local validation 38
84. pea (yellow-det. or indet. growth) pea adult
summary
run:
ddmodel.us
MyPest Page
crop Miller MSU, Miller et al. 2001 Montana partly validated 32
85. Pandemis leafroller [tree fruits] plr adult
summary
run:
ddmodel.us
MyPest Page
insect Brunner (1991) Pacific Northwest partly validated 41
86. pepper-Bell king (transplant 4-7 lvs) ppbk adult
summary
run:
ddmodel.us
MyPest Page
crop Stoven et al 2017 W. Oregon new model-not yet fully validated 52
87. pepper-Gatherers gold (transplant 4-7 lvs) ppgg adult
summary
run:
ddmodel.us
MyPest Page
crop Stoven et al 2017 W. Oregon new model-not yet fully validated 52
88. pepper-King Arthur (transplant 4-7 lvs) ppka adult
summary
run:
ddmodel.us
MyPest Page
crop Stoven et al 2017 W. Oregon new model-not yet fully validated 52
89. pepper-Stocky red roaster (transplant 4-7 lvs) ppsr adult
summary
run:
ddmodel.us
MyPest Page
crop Stoven et al 2017 W. Oregon new model-not yet fully validated 52
90. potato psyllid [potato, tomato] ppsy adult
summary
run:
ddmodel.us
MyPest Page
insect OSU IPPC model analysis data collected in OR, ID, WA, TX, NZ, AZ under development for PNW region - pest of potato 40
91. pine shoot beetle [pine trees] psb adult
summary
run:
ddmodel.us
MyPest Page
insect OSU IPPC model analysis now testing for US under development - unvalidated 54
92. peach twig borer [stone fruits] ptb adult
summary
run:
ddmodel.us
MyPest Page
insect 2007 USU Ext. WSU IPM info used in NW USA requires local validation 50
93. Pine Tree Lappet Moth [pine trees] ptlm adult
summary
run:
ddmodel.us
MyPest Page
invasive insect OSU IPPC model analysis Dev. for use in US draft model based on several studies mainly from Europe 45
94. redroot pigweed rpw adult
summary
run:
ddmodel.us
MyPest Page
weed CROPTIME weed model W. OR research model - not yet validated 46
95. safflower (Saffire) saf adult
summary
run:
ddmodel.us
MyPest Page
crop Miller MSU, Miller et al. 2001 Montana partly validated 32
96. small broomrape (red clover) sbr weed group
summary
run:
ddmodel.us
MyPest Page
weed see PNW Weed Handbook and model description (Eizenberg et al.) Western Oregon validated 32
97. sweet corn [Jubilee] scn adult
summary
run:
ddmodel.us
MyPest Page
crop Coop etal 1993 Pacific Northwest partly validated 50
98. San Jose scale [tree fruits] sjs adult
summary
run:
ddmodel.us
MyPest Page
insect Rice etal (1982) Pacific Northwest partly validated 51
99. Spodoptera litura [omnivorous] sli adult
summary
run:
ddmodel.us
MyPest Page
invasive insect OSU IPPC model analysis Subtropical and Temperate US first version; more spring flight data needed 51
100. sunflower early dwarf hybrds snf adult
summary
run:
ddmodel.us
MyPest Page
crop Miller MSU, Miller et al. 2001 Montana partly validated 32
101. sugarbeet root maggot srm adult
summary
run:
ddmodel.us
MyPest Page
insect Bechinski etal 1990 Pacific Northwest partly validated 47.5
102. strawberry root weevil [peppermint] srw adult
summary
run:
ddmodel.us
MyPest Page
insect Cacka (1982) Pacific Northwest partly validated 48
103. strawberry root weevil [strawb.] srx adult
summary
run:
ddmodel.us
MyPest Page
insect Umble, Fisher 2002 Pacific Northwest not fully tested 40
104. sunflower stem weevil ssw adult
summary
run:
ddmodel.us
MyPest Page
insect Merrill etal 2010 W. Great Plains partly validated 41
105. small tomato borer [solanaceae] stb adult
summary
run:
ddmodel.us
MyPest Page
invasive insect OSU IPPC model analysis Neoleucinodes elegantalis - Purdue CERIS File USA for use in APHIS PPQ CAPS programs 48
106. spotted wing Drosophila [fruit] swd adult
summary
run:
ddmodel.us
MyPest Page
invasive insect OSU IPPC model analysis vers. 3.0 potential for use in US partly validated-has been compared to 2 years of field data in PNW 50
107. spotted wing Drosoph overwint mortal [fruit] swo adult
summary
run:
ddmodel.us
MyPest Page
invasive insect OSU IPPC model analysis potential for use in US under development - use with caution 53
108. testing new swd [fruit] sww
summary
run:
ddmodel.us
MyPest Page
invasive insect OSU IPPC model analysis vers. 4.0 potential for use in US partly validated-has been compared to 2 years of field data in PNW 50
109. threecornered alfalfa hopper [legumes, grapes] tcah adult
summary
run:
ddmodel.us
MyPest Page
insect OSU IPPC model analysis data collected in TX, ARK, LA, SC, KY, GA, CA under development - new pest of winegrapes 52
110. variegated cutworm [peppermint] vcw adult
summary
run:
ddmodel.us
MyPest Page
insect Coop & Berry (1987) Pacific Northwest partly validated 41
111. western bean cutworm [corn & beans] wbc adult
summary
run:
ddmodel.us
MyPest Page
insect Neb. IPM developed in Neb. unknown 50
112. western flower thrips [vegetables] wft adult
summary
run:
ddmodel.us
MyPest Page
insect OSU IPPC model analysis data from numerous sources under development 45
113. wheat (Bauer model) [spring wheat] whb adult
summary
run:
ddmodel.us
MyPest Page
crop Bauer etal 1984 scale guide Western States in use 32
114. walnut husk fly [walnut] whf adult
summary
run:
ddmodel.us
MyPest Page
insect Kasana & AliNiazee (1997) Pacific Northwest-W. of Cascades developed but not calibrated or validated 41
115. wheat (Hard Red) whr adult
summary
run:
ddmodel.us
MyPest Page
crop Miller MSU, Miller et al. 2001 Montana partly validated 32
116. winter wheat wht adult
summary
run:
ddmodel.us
MyPest Page
crop Karow etal 1993 Pacific Northwest new prototype version - Contact Russ Karow at karowr@css.oregonstate.edu 32

National Plant Diagnostics Network Integrated Plant Protection Center at Oregon State University IPM PIPE The PRISM Group at OSU Western
Region Pest Management Center National Institute of
Food and Agriculture

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