Pseudacysta perseae (Hemiptera: Tingidae), avocado lace bug, is a new state record for Hawaii and was first detected in Pearl City in December 2019. As many other farmers, one of their main challenge is the avocado lace bug, an insect which invades fruits. It was in December of 2019 when the first avocado lace bug was discovered feeding on avocado leaves in Pearl City, Oahu. Please forward this information to farmers and growers of avocado. Last-instar nymph avocado lace bug. In recent years, avocado lace bugs have become an economic problem in Florida and the Dominican Republic, with occasional severe infestations causing defoliation and reduced yields. Feeding initially causes small white or yellow spots on the upper surface of the leaves as individual cells dry out. This causes destruction of plant cells and leads to the chlorotic and necrotic damage you see in the photos below. Avocado leaf damage caused by avocado lace bugs. It is also found in the Caribbean, Central and South America, and Portugal. This pest attacks the underside of the leaves where it feeds by extracting chlorophyll and other plant fluids. Avocado Avocado Lace Bug and Its Damage. The avocado lace bug feeds on the leaves of avocado plants and extracts nutrients from foliage, causing gradual destruction of the leaves. For most of the years since its description, the avocado lace bug was regarded as having limited distribution, primarily to peninsular Florida, and being of only occasional minor economic importance. Avocado Lace Bug, Pseudacysta perseae (Heidemann) (Insecta: Hemiptera: Tingidae) 3 the West Indian “race” of avocado, although no variety was known to be free from attack. Proceedings Florida State Horticultural Society 111, 330-334. Lace bugs and their larvae feed on azaleas and other flowering plants and shrubs throughout the growing season, using their sharp mouthparts to pierce plant foliage and suck the juices from leaves. Lace bugs – Intermittent pests of avocado, lace bugs damage leaves when they are present. The Situation: Avocado lace bug, Pseudacysta perseae, was first described in Florida in 1908 from specimens collected in this state over the period 1897-1907. Blatchley (1926) stated that Acysta perseae differed widely from Acysta spp. Relatively little is known about this insect in California. The avocado lace bug (ALB), Pseudacysta perseae was de scribed in 1908 as Acysta perseae from Florida specimens and considered a minor pest of avocado. As lace bug colonies grow, brown dead areas develop where there has been heavy feeding damage. Avocado lace bugs. Copyright 2020 Hawaii News Now. Avocado lace bug is a true bug with sucking mouth parts. HONOLULU, Hawaii (HawaiiNewsNow) - The state Department of Agriculture has identified a new pest in Hawaii. 4). 2, 6) and will not attack fruits. Credits: James Castner, University of Florida. Controlling Damage Caused by Avocado Lace Bug Apr 16, 2013 Avocado tree varieties vary in susceptibility to avocado lace bugs. Adult avocado lace bug. To check if your tree is infested, look for bronze patches on the upper shiny sides of the leaves, then check the undersides for … An invasive bug was discovered feeding on avocado leaves across the state of Hawaii and was most recently found on Maui plants in retail outlets, entomologists said. avocado lace bug field ID photo guide 1-7-2020. The avocado lace bug (Pseudacysta perseae) was first detected in Pearl City, Oahu, in December and was subsequently identified on Hawaii island and on Maui. Your plants, shrubs and trees will have an unattractive appearance due to the discoloration of the leaf and the dark, ugly spotting, but will not die. Fruit-spotting bug is a pest of avocados, guavas, macadamia nuts, pecan nuts, lychees, mangoes and many exotic tropical and subtropical tree crops. Avocado > Year-Round IPM Program > Invertebrate Pests > Avocado Lace Bug. They say the adult bugs, which are about 2 millimeters long with black heads, mostly black bodies, and a black stripe across the wings, feed on the leaves of avocado plant and leave behind damage. 3 The avocado lace bug does damage to avocado leaves with its piercing-sucking mouthparts. Lace bug; Adults have a blackish head and thorax. A Gray Media Group, Inc. Station - © 2002-2020 Gray Television, Inc. An in-depth look at some of Hawaii's non-native species. Identifying Lace Bug Damage . There’s no yellowing, and the spots are dark brown. Since then, the invasive pest has been identified in … Numbers increase during summer. Hass avocados (a Mexican-Guatemalan hybrid) can be severely damaged by lace bug outbreaks and West Indian x Guatemalan avocado hybrids appear to be particularly resistant to attack. The avocado lace bug was first described in Florida in the early 1900s and has spread through the southeastern U.S. and into California. Damage: Major, frequent pests in certain areas, especially where orchards are situated close to alternative native or ornamental hosts. One Hawaii doctor also took part in a trial vaccination that included 43,000 other people across the U.S. February 13, 2020 at 4:24 PM HST - Updated February 14 at 7:00 AM, 2 new bentos created by UH culinary students heading to 7-Eleven stores, Women’s group raising funds for victim of a violent sexual attack, Audit: Lack of oversight, costly parking stall use problems among Biki program. All rights reserved. 1) Pseudacysta Perseae (Heidemann) Insecta: Hemiptera: Tingidae The avocado lace bug was historically regarded as having a limited distribution throughout the Florida peninsula, causing little economic damage. Heavy feeding can cause striking leaf discoloration and early leaf drop. Eggs covered in fecal excrement. Avocado lace bug (Pseudacysta perseae) was first detected in Pearl City, Oahu, in December 2019 and was subsequently identified on Hawaii Island and in … And the bug is attracted to avocado plants. The lace bug … The avocado lace bug, Pseudacysta perseae (Heidemann) (Figure 1), was originally described in 1908 as Acysta perseae from Florida specimens. A new pest of avocado was identified on Oahu in December and has since been found on Maui and the Big Island in February 2020. Both adults and nymphs feed by piercing fruit and sucking the juice from the tissue. It’s not yet clear how the lace bug was introduced to Hawaii. of Champion (1898). Symptoms of feeding damage begin as whiteish-yellowish speckled blotches on the top surface of leaves (Fig. Leaf damage caused by the avocado lace bug, Pseudacysta perseae (Heidemann). Hosts. Mottled, cold-damaged avocado leaves. The avocado lace bug was first described in Florida in the early 1900s and has spread through the southeastern U.S. and into California. Pseudacysta perseae (Hemiptera: Tingidae), avocado lace bug, is a new state record for Hawaii and was first detected in Pearl City in December 2019. State entomologists say the avocado lace bug was first detected in Pearl City in December then found on the Big Island as well as plants in retail outlets on Maui. Lace bugs restrict their feeding to the undersides of leaves, inserting their needle-like mouthparts into leaf tissue cells to extract cell contents. Lace bug damage is unsightly, but not fatal. Growers should refrain from moving avocado foliage and wood infested with avocado lace bugs. 420 Waiakamilo Road, Suite 205Honolulu, HI 96817Main (808) 847-3246News (808) 847-1112. damage, natural enemies and control of avocado lace bug, Pseudacysta perseae (Hemiptera: Tin- gidae). Click on photos to enlarge; Damage; Discolored leaf patches, the initial damage from adults and nymphs sucking sap on the underside of leaves. Necrotic blotches, black fecal spotting and avocado lace bugs on undersides of leaves. Backyard avocado growers are growing increasingly worried about the spreading avocado lace bug that attacks the leaves of the tree. The avocado lace bug feeds on the leaves of avocado plants and extracts nutrients from foliage, causing gradual destruction of the leaves, HDOA explained.