Tree Fruit Insect Pest Biofixes
A biofix is a biological marking point (usually a date). In this case, biofix refers to the date at which an insect first emerges from pupation in spring. We determine biofix by hanging species-specific pheromone traps in the host tree. Male insects are attracted to the scent of the pheromone, and will become trapped on the sticky liner. We check the traps daily to determine the date when the traps start catching moths. To learn more about determining a biofix for a certain insect, check out our tree fruit insect fact sheets.
CODLING MOTH, 2003-2008
| Location | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 |
| Alpine | May 8 | Apr 26 | May 13 | Apr 29 | May 17 | |
| Erda | May 6 | May 16 | ||||
| Genola | Apr 26 | Apr 15 | May 2 | Apr 26 | May 5 | |
| Kaysville | Apr 25 | Apr 17 | May 1 | May 10 | Apr 28 | May 16 |
| Lincoln Point | Apr 29 | Apr 24 | May 17 | Apr 29 | May 9 | |
| North Logan | Apr 24 | May 14 | Apr 30 | May 17 | ||
| Orem | Apr 19 | May 11 | Apr 14 | Apr 29 | ||
| Payson | Apr 25 | Apr 17 | May 10 | May 2 | Apr 28 | May 5 |
| Perry | Apr 21 | Apr 12 | May 4 | May 1 | Apr 24 | May 5 |
| Pleasant View | Apr 25 | Apr 14 | May 3 | Apr 16 | May 5 | |
| Price | Apr 28 | May 17 | ||||
| Providence | Apr 27 | May 13 | Apr 28 | May 17 | ||
| Provo | Apr 15 | May 8 | May 8 | Apr 30 | May 5 | |
| Santaquin | Apr 26 | Apr 15 | May 5 | May 6 | Apr 26 | May 5 |
| Spanish Fork | May 1 | Apr 16 | ||||
| Tooele | May 12 | Apr 30 | Apr 30 | |||
| West Mountain | Apr 21 | Apr 17 | May 4 | May 4 | Apr 29 | May 5 |
| West Valley City | May 13 | Apr 29 | May 5 |
GREATER PEACHTREE BORER, 2003-2008
| Location | 2003 | 2004 | 2007 | 2008 |
| Genola | Jun 22 | Jul 1 | ||
| Lincoln Point | Jun 22 | Jun 20 | Jun 16 | |
| Orem | Jun 18 | |||
| Payson | Jun 17 | Jun 7 | Jul 1 | |
| Perry | Jun 16 | Jun 6 | Jun 20 | |
| Price | Jun 21 | |||
| Provo | Jun 14 | Jun 17 | ||
| Santaquin | Jun 17 | Jul 1 | ||
| West Mountain | Jun 7 | Jul 1 | ||
| West Valley City | Jun 17 | Jun 18 |
PEACH TWIG BORER, 2003-2008
| Location | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 |
| Alpine | May 16 | May 19 | May 14 | Jun 15 | ||
| Erda | ||||||
| Genola | May 25 | May 10 | May 12 | May 12 | Jun 1 | |
| Kaysville | May 29 | May 3 | May 23 | May 18 | May 13 | Jun 2 |
| Lincoln Point | May 29 | May 11 | May 25 | May 14 | May 14 | Jun 2 |
| North Logan | May 18 | Jun 19 | ||||
| Orem | May 8 | May 13 | Jun 1 | |||
| Payson | May 29 | May 8 | May 25 | May 12 | May 12 | Jun 1 |
| Perry | May 28 | May 3 | May 23 | May 16 | May 11 | Jun 1 |
| Pleasant View | May 7 | May 31 | May 6 | Jun 2 | ||
| Price | Jun 15 | |||||
| Providence | May 13 | Jun 19 | ||||
| Provo | May 7 | May 30 | May 7 | May 15 | Jun 1 | |
| Santaquin | May 29 | May 19 | May 12 | Jun 1 | ||
| Spanish Fork | May 8 | |||||
| Tooele | May 27 | |||||
| West Mountain | May 11 | May 12 | Jun 1 | |||
| West Valley City | May 20 | May 15 | May 29 |
WESTERN CHERRY FRUIT FLY, 2007-2008
| Location | 2007 | 2008 |
| Genola | May 31 | |
| Kaysville | May 20 | |
| North Logan | Jun 24 | |
| Payson | May 24 | |
| Santaquin | May 24 | Jun 13 |
| Tooele | Jun 2 | |
| West Mountain | May 24 |