competition refresher magazine

competition refresher magazine

competition refresher magazine this article can be seen in the magazine cicadas are hemipteran insects known for their loud complex and speciesspecific acoustic signals or songs which act as indicators of a healthy forest ecosystem. o most cicadas are canopy dwellers and are found in natural forests with large trees. o cicadas are herbivores and live in the soil and feed on tree roots for a period of 3 to 17 years depending on the species.  the generic diversity of cicadas in india and bangladesh ranks the highest in the world followed by china. 75 locusts  belonging to family of grasshoppers they are omnivorous and have life span of 90 days.  four species of locusts are found in india desert locust (schistocerca gregaria) migratory locust (locusta migratoria) bombay locust (nomadacrissuccincta) and tree locust (anacridium sp.).  three breeding seasons for locusts -winter breeding [november to december] spring breeding [january to june] and summer breeding [july to october].  india has only summer breeding season.  locust warning organisation (lwo) ministry of agriculture & farmers welfare is responsible for monitoring survey and control of desert locust. competition refresher magazine pdf toxic pesticides like malathion and chlorpyrifos are used to control desert locust invasion. dragonflies  according to the first global assessment of these species in the updated iucn red list of threatened species results show that 16% out of 6016 species are at risk of extinction competition refresher magazine subscription. 

competition refresher magazine