| ecological factors influencing the beneficial endosymbionts of the hemlock woolly adelgid (hemiptera: adelgidae). | bacterial endosymbionts of sap-sucking insects provide their host with a number of beneficial qualities, including the supply of nutrition, defense against parasitoids, and protection from heat stress. damage to these bacterial associates can therefore have a negative impact on the fitness of their insect host. we evaluated observational and experimental factors regarding the non-native hemlock woolly adelgid (adelges tsugae annand) (hemiptera: adelgidae) to help understand the roles of its thre ... | 2017 | 28791805 |