European gypsy moth caterpillars feed on deciduous trees, causing major defoliation and tree mortality. Unfortunately, it appears we’re stuck with this trend for some time ahead. To add to 2020 woes, it's the year of the gypsy moth horde. Have you just removed an attached tick from yourself or a loved one with a pair of tweezers? In the springtime in Pennsylvania (late April - mid-May) nymphs (immatures) are found on smaller plants and vines and new growth of trees and shrubs. For this past week, a high temperature of 79°F was recorded on the 3rd and a low of 30°F was recorded on the morning of the 6th which created a thin layer of frost covering my car windows. No samples are being accepted at this time. Reported by Tawny Simisky, Extension Entomologist, UMass Extension Landscape, Nursery, & Urban Forestry Program, thymeleaf sandwort - Arenaria serpyllifolia, shepherd's-purse - Capsella bursa-pastoris, Virginia pepperweed - Lepidium virginicum, pineappleweed - Matricaria matricarioides, Report by Randy Prostak, Weed Specialist, UMass Extension Landscape, Nursery and Urban Forestry Program. The Landscape Message will be updated weekly in May. General Conditions: Mild spring temperatures continued to persist during this reporting period. Insects and Other Arthropods of Public Health Concern: The next live webinar will be held on May 13, 2020: “Ticks & Red Meat Allergies: The Latest Science”. Pests/Problems: We received above average precipitation with unusually cool temperatures throughout the entire month of April. Summer 2020 - DEC received reports of elevated populations of gypsy moth that are causing noticeable defoliation in Central and Western NY this year. Gypsy moth caterpillars crawl on the leaves of a white oak tree June 8, 2017 in Belchertown. Third and fourth instar nymphs migrate to the tree of heaven and are observed feeding on trunks and branches. We had a gorgeous weekend with high temperatures well into the 70’s. To read individual sections of the message, click on the section headings below to expand the content: The following data was collected on or about May 6, 2020. Alternatively, call the lab at (413) 545-2311. Despite the frequency of storms, precipitation was only slightly above-average across most of the valley, and the western foothills actually experienced slightly below-average rainfall. ), plum, cherry, peach, apricot (Prunus spp. In recent years, it is worth-while to note that some areas on the Cape and other locations in eastern MA have reported noticeable cankerworm populations in the spring, which are often confused for winter moth. ), oak (Quercus spp. Gypsy Moth. Wasps, gnats, and mosquitoes are active. The European gypsy moth, or Lymantria dispar dispar, has been a pest in hardwoods in the northeastern United States since the mid-19th century, according to the U.S. Department of Agriculture.There are known to be established populations in at least 19 states. Rabbits are mowing down perennials. Other insects or diseases seen over the period include: white Prunicola scale on lilac, black knot on Prunus, winter burn on boxwood, and bark beetle on eastern red cedar. The recommended treatment for gypsy moth is the biological pesticide, in the scale of 1, Strongly Disagree, to 5, Strongly Agree, Professional Training & Career Development, Bureau of Forest Fire Control and Forestry. Report by Nick Brazee, Plant Pathologist, UMass Extension Plant Diagnostic Lab, UMass Amherst. While winter-related injuries were thankfully not a major concern this spring, some plants did experience injury, such as boxwood, Rhododendron and Viburnum. Precipitation was light, allowing saturated soils to dry out a bit to make gardening work a little easier. Pruning of boxwood, with the removal and disposal of clippings can be done as one means of managing this insect. For some oaks, anthracnose co-occurred with the leafminer damage and further information with images can be seen here (https://ag.umass.edu/landscape/news/leaf-damage-to-oaks-caused-by-oak-shothole-leafminer-oak-anthracnose). Now is the time to easily recognize this invasive plant and remove it. Now, established from Nova Scotia to North Carolina and Florida, west to Michigan, Illinois, and Missouri. Each year, the USDA’s Animal and Plant Health Inspection Service enlists the help of various state agencies throughout the … Gypsy moths are an invasive insect, and a state ... Massachusetts in the late 1800s, gypsy moth has continuously moved west and south and is now established in northeastern Minnesota. High caterpillar mortality in 2017 from the Entomophaga maimaiga fungus and the Nuclear Polyhedrosis Virus (NPV) led to reduced feeding pressure in 2018, which in turn caused a decreased impact. Daffodils still continue to shine, but early blooming daffodils have definitely gone by. Deciduous trees, such as the oaks, are preferred by the gypsy moth. Resources from UMass Extension and the Center for Agriculture, Food and the Environment: ag.umass.edu/coronavirus. Need to report a pest sighting? Join DCR Forest Health Specialist, Felicia Hubacz, as she discusses the recent gypsy moth outbreak event and the last-ing impact on our oak forests statewide. Like so many other waterways in the valley, the Manhan River in Easthampton is increasingly being choked by groves of knotweed. Speaking of low temperatures, the possibility of early May frost threatens to damage flowering parts and/or tender foliage for a range of plants right now. Other weeds are also thriving due to moist soil conditions. The deer tick or blacklegged tick can transmit Lyme disease, human babesiosis, human anaplasmosis, and other diseases. Additionally, other rosaceous hosts or maples that were leafing out at the time could have been damaged. Poison ivy has leafed out. (And to a lesser extent many other organisms, including other insects, small mammals, and birds who feed on gypsy moth.) Veronica, Poa annua, chickweed, violets, ground ivy and dandelions are all flowering in turf. Plants in shaded and moist settings can suffer serious damage, which results in reduced growth and flowering. No samples are being accepted at this time. Pests/Problems: Anthracnose of Viburnum carlesii was observed. and Olga Mezitt Rhododendron (Rhododendron spp.). The caterpillars were also a terrible nuisance in the towns of Ware, Palmer, and Holland among others. Did you notice dead caterpillars hanging from the trees? The European gypsy moth, or Lymantria dispar dispar, has been a pest in hardwoods in the northeastern United States since the mid-19th century, according to the U.S. Department of Agriculture.There are known to be established populations in at least 19 states. If you are going to take this action you need to do it now, within the next 7-10 days. Massachusetts recently experienced a gypsy moth population outbreak event. For a map of known, established populations of SLF as well as detections outside of these areas where individual finds of spotted lanternfly have occurred (but no infestations are present), visit: https://nysipm.cornell.edu/environment/invasive-species-exotic-pests/spotted-lanternfly/ This map depicts an individual find of spotted lanternfly at a private residence in Boston, MA that was reported by the MA Department of Agricultural Resources on February 21, 2019. General Conditions: Overall, it was a lovely weather week. The gypsy moth has been a costly and persistent problem in Massachusetts since 1869 when it was first found in Massachusetts. Soil and Plant Nutrient Testing - The University of Massachusetts Soil and Plant Nutrient Testing Laboratory is located on the campus of The University of Massachusetts at Amherst. The following issue has been updated to provide timely management information and the latest regional news and environmental data. In most cases the trees are able to survive three consecutive years of severe defoliation. Check out our surveying tools at the bottom of the webpage. For a complete listing of upcoming events, see our upcoming educational events https://ag.umass.edu/landscape/upcoming-events, For commercial growers of greenhouse crops and flowers - Check out UMass Extension's Greenhouse Update website, For professional turf managers - Check out Turf Management Updates, For home gardeners and garden retailers - Check out our home lawn and garden resources. 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