Aphids have been a particularly challenging pest to get under control in our high tunnel strawberries this year. They quickly colonized the strawberries we had growing all winter and took off as the weather warmed (Fig. 1). In my first attempt to knock them back I introduced 2,000 lacewing larvae (22-Apr), too little too late….Read more about Organic Aphid Control Update[Read More]
Insect Management
The horticultural entomology team is happy to report that we’re continuing efforts to support Indiana apple growers by monitoring tree fruit pests and reporting what we find! On April 22, 2020, we placed pheromone-baited monitoring traps for two important tree fruit pests, the codling moth and Oriental fruit moth at the Meigs Purdue Agricultural Center…Read more about Ready, Set, Monitor! Traps are set to detect key pests of tree fruit: Codling moth and Oriental fruit moth[Read More]
Due to the COVID crisis, all Purdue Extension meetings have been cancelled until further notice. Some may be offered by distance education, but no in-person meetings will be allowed. Most Purdue Extension staff are working from home. We are available to answer your questions by email, phone or through social media. Our contact information is…Read more about Extension Events[Read More]
Very happy to share these videos, produced by the Extension Entomology team, highlighting our collaboration with the Indiana melon industry on pollinators and pesticides. We are always looking for partners, just reach out to your Extension Specialists to find out how. Click here for video Click here for video Click here for video
This winter-spring has been my first excursion into growing strawberries in a high tunnel. It didn’t take much for our own Wenjing Guan to convince me to plant some; who doesn’t love to eat fresh strawberries? We planted them back in October and I just peeked at them every couple of weeks throughout the winter,…Read more about Strawberry Observations from an Entomologist[Read More]
Grapes are in the early stages of growth across the state, from bud break to 4 to 6 inch shoots. Significant frost and freeze damage occurred in central and southern areas so that will set growth back a couple of weeks as the secondary buds break. With a reduced number of primary shoots, protection of…Read more about Early season management of grape diseases and insect pests[Read More]
Recently we have received reports of swarms of hover flies (aka syrphid flies) around Indiana and wanted to take the opportunity to tell you a bit about this curious insect (Figure 1). Adult hover flies can sometimes be mistaken for bees or wasps, because they look a lot like them! Some people refer to hover…Read more about Hover Flies[Read More]
The grape harvest will get started in the southern part of the state in the next couple of weeks. Most varieties are slightly behind normal this year. In Lafayette, early varieties are at the start of veraison and should be ready to harvest in four to five weeks. We generally harvest early varieties such as…Read more about Grape Harvest Preparation[Read More]
This is the time of year to keep an eye out for the adult version of the Spotted Lanternfly. See a fact sheet at https://www.aphis.usda.gov/publications/plant_health/2014/alert_spotted_lanternfly.pdf This is an extremely serious pest of a wide range of woody plants. It has caused serious damage in grapes, apples, peaches, plums, blueberries, etc….Read more about Spotted Lanternfly – Be on the Lookout[Read More]
At the Southwest Purdue Ag Center, we are studying annual strawberry production on plastic mulch. Our hope is to gather information for best production practices in our area. As we learn about insect and disease problems, we will pass this information on to producers. This article is about the insect pests we have observed in…Read more about Annual Strawberry Production[Read More]