Geographic and Temporal Variation of Distinct Intracellular Endosymbiont Strains of Wolbachia sp. in the Grasshopper Chorthippus parallelus: a Frequency-Dependent Mechanism?: a Frequency-Dependent Mechanism? - Martínez Rodríguez, Paloma; Rolán Álvarez, Emilio; Pérez-Ruiz, M del Mar; Arroyo-Yebras, Francisca; Carpena-Catoira, Carla; Carvajal Rodríguez, Antonio; Bella Sombría, José Luis (Microbial Ecology, 2019)