About every four to five years the true armyworm, mythimna unipuncta formerly pseudaletia unipuncta, is a moderate to serious pest of many grass crops in missouri. Host location and suitability of the armyworm larvae of mythimna unipuncta for the tachinid parasitoid exorista larvarum article pdf available in biocontrol 574. Mythimna unipuncta, the armyworm, is a mediumsized moth fw length 17 21 mm with tan forewings with reddish orange in the cell, a white spot at the end of the cubital vein, and an oblique gray line from the postmedial line to the apex that flies throughout our region to southern british columbia throughout most of the year. It is found in china, japan, southeast asia, india, eastern australia, new zealand, and some pacific islands. For many organisms which cannot internally regulate their own temperature, development is dependent on temperatures to which they are exposed in the environment. Armyworms are native to eastern north america but they cannot overwinter in mn. There are 4 county records of 4 individuals from 3 different sites. More recently, this fauna is arranged in two genera in europe hacker et al. Formerly referred to as cirphis, lencania and psetidaletia unipuncta haw. During april and may, true armyworm moths may migrate from southern usa and mexico on wind currents to parts of southern canada including b. Insecta, holometabola, lepidoptera, noctuidae common name. Host location and suitability of the armyworm larvae of mythimna unipuncta for the tachinid parasitoid exorista larvarum article pdf available in biocontrol 574 august 2011 with 99 reads. Mythimna unipuncta, the true armyworm moth, whitespeck moth, common armyworm or rice armyworm, is a nocturnal agricultural pest belonging to the family noctuidae. Leucania separata mythimna separata walker, 1865 mythimna separate earcutting caterpillar northern armyworm more.
Armyworm moth mythimna unipuncta haworth, 1809 synonyms. Use of images featured on maryland biodiversity project is only permitted with express permission of the photographer. Insects and related organisms sorted by common name. True armyworm mythimna unipunctajune 2018 true armyworm mythimna unipuncta, formerly pseudaletia unipuncta is a north american agricultural pest in the insect family noctuidae. We searched for the host plants of the caterpillars of identified prey moth species in the hosts database natural history museum, london. Biology of armyworm mythimna separata on cereal crops in gujarat. The species was first described by francis walker in 1865. Very recently observations have been made in the north. Pdf host location and suitability of the armyworm larvae. Genus mythimna 1mythg species mythimna unipuncta psedun contact eppo. Sinonimia d phoma citricarpa mcalpine phoma citricarpa var. Insects and related organisms sorted by common name updated 4. Noctuidae is an important insect pest of corn zea mays l.
Files are available under licenses specified on their description page. A new distribution map is provided for mythimna unipuncta haw. Mythimna unipuncta inhabits at least slightly moist habitats with grasses in the tropical and subtropical areas such as ruderal and cultivated land, stream margins or woodland edges. Pseudaletia unipuncta haworth also known as mythimna unipuncta haworth. Pdf response of mythimna unipuncta males to components. We follow this classification here with mythimna oxygala, comb. Potential for true armyworm problems in grass crops. Female with mahoganybrown fore wings, marked at their centre by a small white spot and, towards the borders, by small black points disposed longitudinally. Information in this database comes from published articles. Rearrange individual pages or entire files in the desired order. According to lafontaine and schmidt 2010, for many years the genus mythimna was very broadly defined in europe and included the genera aletia hubner, pseudaletia franclemont, and leucania ochsenheimer, which were maintained as valid genera in north america in.
Kingdom animalia phylum arthropoda class insecta order lepidoptera family noctuidae genus mythimna. Armyworm moth mythimna unipuncta haworth, 1809 butterflies. May 27, 2014 about every four to five years the true armyworm, mythimna unipuncta formerly pseudaletia unipuncta, is a moderate to serious pest of many grass crops in missouri. Phenology models predict timing of events in an organisms development. The true armyworm moth has grayishbrown forewings, each with a white spot near the center, and grayishwhite hindwings. Morphological characteristics and inheritance of the melanic form of the oriental armyworm, mythimna separata walker lepidoptera. Inferring origins of migrating insects using isoscapes. Mythimna unipuncta armyworm moth pseudaletia unipuncta. Other pest species include armyworm mythimna unipuncta haworth, black army cutworm actebia fennica tauscher, black. North america, hawaii, south america, the mediterranean east africa and the sahel region, central asia. Efficacy of chlorantraniliprole seed treatments against armyworm. The true armyworm mythimna unipuncta, formerly known as pseudaletia unipuncta, haworth are relatives of cutworms and are in the noctuidae moth family. Discover lifes page about the biology, natural history, ecology, identification and distribution of mythimna unipuncta armyworm moth discover life.
Although larvae of this pest may attack a wide range of host plants, most problems in missouri occur in tall fescue seed and forage fields, wheat and other small grain crops, and. This moth is also commonly referred to by the scientific name pseudaletia unipuncta. Several sympatric lepidopteran species feed on maize plants, and the different components of their speciesspecific female sex pheromones may play a role in attracting conspecifics andor deter heterospecific males. The armyworm, mythimna unipuncta haworth, is sometimes called true armyworm to distinguish it from other species that include armyworm in the common name. We observed our first trap captures of the adult european corn borer on the th of may in new paltz. May 21, 2015 pseudaletia unipuncta haworth also known as mythimna unipuncta haworth taxonomic placing. A migrant species, recorded in most months, but most frequent between august and october. All structured data from the file and property namespaces is available under the creative commons cc0 license. Mythimna unipuncta psedundocuments eppo global database.
Prominent species that attack crops on the canadian prairies include army cutworm euxoa auxiliaris grote, pale western cutworm agrotis orthogonia morrison, and redbacked cutworm euxoa ochrogaster guenee. Mythimna unipuncta, the true armyworm moth, whitespeck moth, common armyworm or rice. The species was first described by adrian hardy haworth in 1809. Approximately two weeks ago, large numbers of true armyworms were found in the south willamette valley, feeding heavily on the leaf blades of tall fescue and orchardgrass located in the harrisburg and halsey areas. The same sources were used to compile information about the. Contact individual photographers for permission to use for any purpose. Common name and scientific name, pictures under green. Of these four species, the fall armyworm is the most common cause of damaged turfgrass 1 figure 1. We do not use these to store personal information about you.
Manducaflrfamide i mythimna unipuncta armyworm moth. They may also eat the lemma and palea of the developing grains as well as the anthers of flowers. True armyworm mythimna unipuncta june 2018 true armyworm mythimna unipuncta, formerly pseudaletia unipuncta is a north american agricultural pest in the insect family noctuidae. Mythimna unipuncta has been questioned, raising concerns about potential outbreaks and its economic consequences. Heavily infested sweet corn damage from the common army worm mythimna unipuncta. What links here related changes upload file special pages permanent link page. Please send images as separate image files apart from the text. Whitespeck mythimna unipuncta northumberland moths. Doward, kyle, migratory movements of the true armyworm mythimna unipuncta haworth. Armyworms are native to eastern north america, but they cannot overwinter in mn. Pdf host location and suitability of the armyworm larvae of. Mythimna unipuncta has a continuous succession of generations. Media in category mythimna unipuncta the following 44 files are in this category, out of 44 total.
Mythimna unipuncta, the armyworm, is a mediumsized moth fw length 17 21 mm with tan forewings with reddish orange in the cell, a white spot at the end of the cubital vein, and an oblique gray line from the postmedial line to the apex that flies throughout our region to southern british columbia throughout most of the year the forewing is speckled with dark gray scal. This page was last edited on 25 november 2014, at 08. Maryland biodiversity project armyworm moth mythimna. Mythimna separata, the northern armyworm, oriental armyworm or rice earcutting caterpillar, is a moth of the family noctuidae. These are not the tent caterpillars that feed on broadleaf trees and shrubs that are called armyworms by some. Sex pheromone of the armyworm, pseudaletia unipuncta haworth.1195 11 462 559 1535 1271 1106 459 1020 1073 780 406 1037 59 930 53 878 1472 385 198 1493 477 248 158 1214 1456 597 1471 1351 117 838 1438 1399 942 1007 98 44 818 1472 1455 468 812