Heteronychus arator There are two damage causing stages of the African Black Beetle life cycle, including the adult beetle stage and the juvenile (larval) ‘Curl Grub’ stage. Black beetle, Heteronychus arator Burmeister, life-cycle (DSIR information series) [Esson, M. J] on Amazon.com. Black beetle male and female. Life-tables were constructed which quantified individual and generation mortalities and identified the key factors causing population change. The black maize beetle, Heteronychus arator, affects a wide variety of crops, including maize, sorghum, wheat, ryegrass and oats. They are a natural part of the ecosystem and play an important role. is a polyphagous, univoltine pest of pasturelands, turf, and agricultural crops in Australia, New Zealand, and Africa. 1981). %PDF-1.5 %���� Life Cycle. Eggs are laid in October-November and hatch after 5–6 weeks. 1 of 4. (Heteronychus arator Fabricius) in a major maize producing region of South Africa by Nicolene de Klerk Submitted in fulfilment of the requirements for the degree of Magister Scientiae in Entomology Department of Zoology and Entomology Faculty of Natural … Larvae are soil dwelling. The efficacy of insecticides in the control of the black maize beetle, Heteronychus arator (Col.: Scarabpidae) in maize in South Africa. Most of its life is spent under the soil surface, burrowing in and out of the soil, leaving pencil-sized holes. Abstract It is suggested from a review of earlier studies and investigations in the Waikato since 1975 on the role of flight in infestation of pastures and maize by Heteronychus arator (F.) that in New Zealand the scarabaeid is probably close to the limits of its ecological temperature range. Life cycle Life Cycle: Eggs usually laid near food source for larva in summer. The life cycle takes about 46 days in an alternative host, Planotortrix excessana (Lepidoptera: Tortricidae), at 22‡ C. Electron micrographs of merozoites and gametocytes are presented. Drinkwater TW, 1982. Longworth, J. F. and G. P. Carey. Mate and lay eggs in spring (between 6 -12 eggs per female) Eggs incubate for generally 2 - 5 weeks dependent on soil temperature. Life Cycle. 354 0 obj <>/Filter/FlateDecode/ID[<9798F730F3254D4C92EFB44F26850C91><1C12D28C3C5CEB4FA7097C778CEB6BF0>]/Index[339 35]/Info 338 0 R/Length 81/Prev 384705/Root 340 0 R/Size 374/Type/XRef/W[1 2 1]>>stream The coccidian from the black beetle, Heteronychus arator (Fabricius), in New Zealand was identified as Adelina tenebrionis Sautet 1930. [2], It is a shiny black oval-shaped beetle 12 to 15 millimeters long. This beetle can affect the establishment of a range of horticultural crops, and both adult and larval stages can be pests. So do we. 63, pp. It has a high temperature requirement for most life processes. 1). Black beetles can be a common sight in and around your lawn. The coccidian from the black beetle, Heteronychus arator (Fabricius), in New Zealand was identified as Adelina tenebrionis Sautet 1930. Heteronychus arator. Three sets of legs with a hard, light brown head capsule. Heteronychus arator01 by Paul venter (CC BY-SA 3.0) Love plants? Heteronychus arator . Larvae: Grubs of black beetle most commonly attack pasture grasses, particularly paspalum and ryegrass. Although it occurs virtually throughout S.A., there are certain areas in which it assumes plague proportions. endstream endobj 340 0 obj <. Adult beetles overwinter from June to September in free draining soils. Heteronychus arator (Fabricius, 1775) Common names African Black Beetle in English Bibliographic References. 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