Prasad A; Saxena SC, 1990. Dysdercus decussatus Boisduval, 1835; Dysdercus fuscomaculatus Stål, 1863; subgenus Paradysdercus Stehlík, 1965. Cotton Stainer: A future threat to Cotton Maxwell-Lefroy, H. 1908. MATERIAL All experiments in this paper have been performed on female fifth-instar larvae. NITROGEN EXCRETION AND EXCRETORY METABOLISM BY M. J. BERRIDGE Department of Zoology, University of Cambridge* {Received 20 May 1965) INTRODUCTION The presence of uric acid in the excreta of insects has been reported by numerous authors. Dysdercus suturellus (Herrich-Schäffer, 1842) - cotton stainer (USA) subgenus Leptophthalmus Stål, 1870. Iqbal and Mr. Asad Masood of Bahauddin Zakariya 377 Jaleel, Saeed & Naqqash Anonymous. in the cotton stainer has been studied extensively; this paper is mainly concerned with the excretion of water. Dysdercus cingulatus (Fabricius, 1775) - red cotton bug; Dysdercus evanescens Distant, 1902 The insect feed mainly Content uploaded by Pasco Avery. Notes on distribution of some Latin American Cotton-Stainers (Dysdercus: Pyrrhocoridae: Hemiptera) and remarks on the biology of Dysdercus urbahni Schmidt. Annual Bulletin of the Department of Agriculture of Nigeria, 2:23-58. Cotton stainer (red cotton bug) was often treated as a minor pest earlier but due to the consequent adoption of such cotton varieties have allowed the cotton stainer … and repeated sprays e.g. Adults have not been used because they mate 1-2 days after emergence and remain in copula until the first oviposition 6-8 days later. Author content. (Flucycloxuron), an insect growth regulator, were observed on the reproductive system of the red cotton stainer, Dysdercus koenigii (Fabricius). Cotton stainers… CV - Teodoro Stadler, 2013 5 Stadler, T. & Schang, M.M., 1989.- Side-effects of two pesticides on a natural enemy of the "cotton stainer" Dysdercus albofasciatus (Berg, 1878) correlated to the biology and behaviour of both species. 2012 Efficacy of fungal entomopathogens against the red cotton stainer.pdf. At higher concentrations the fecundity of the emerged females of the treated nymphs was found to be nil whereas at lower concentrations reduction in … Cotton jassid, Rice stem borer (iii) Minor pest/Occasional pest - GEP is below the EIL usually - Rarely they cross EIL - Can be controlled by spraying e.g. The red cotton bug (Dysdercus in Pakistan, Islamabad, Pakistan. Main damage of red cotton bug is the injection of fungal spores (Nematospora) into the boll and the developing fungus stains the lint (Hill and Waller, 1990). 2013. Moorthi et al. Multan on cotton stainer: an emerging serious threat for cotton production in Pakistan (Anonemous, 2011a). Observations on the life histories of cotton stainers bugs of the genus Dysdercus, and on their economic importance in Southern provinces of Nigeria. THE PHYSIOLOGY OF EXCRETION IN THE COTTON STAINER, DYSDERCUS FASCIATUS SIGNORET III.