Population dynamics, vertical distribution and damage characterization of burrower bug in peanut

Although the burrower bug (Cyrtomenus mirabilis) is considered a vitalsoil pest in peanut crops, Arachis hypogaea L., South America, there little information on its occurrence and damage characterization. This study aimed to evaluate vertical distribution fluctuation of soil this species causes peanuts. Two cultivars (IAC OL3 IAC 503) were evaluated three locations state São Paulo: Pindorama, Ribeirão Preto Votuporanga, 2017/18 2018/19 harvests. Trenches dug 0.5 m long, 0.3 wide deep, along plant lines at four spots each sampling date, stratified layers 10 cm deep. Plant samples (0.5 m) collected for number pods percentage kernels with symptoms insect damage. More than 85 % C. mirabilis population was found depths up cm, especially after fructification, an increase nymphs from 100 days sowing (DAS) seen when increased maturing observed. The adults their similar both 503), these harvested according developmental cycles.