Seasonal activity of Trechnites insidiosus (Hymenoptera: Encyrtidae) and its host Cacopsylla pyricola (Hemiptera: Psyllidae) in pear. - Zilnik G; Cooper WR; Horton DR; Orpet R; Nottingham L; Hilton R; Adams C; Dickens KL; Halbert SE; Snyder J; Schmidt-Jeffris R (Journal of economic entomology, 2023)