| a survey for gregarines (protozoa: apicomplexa) in arthropods in spain. | gregarines thrive in the digestive tract of arthropods and may be deleterious to their hosts, especially when present in high densities. the impact of parasites on these invertebrates may affect both the ecosystem equilibrium and human economic activities. however, information available on gregarines in spain is limited. therefore, a microscopic study on prevalence of gregarine infection in 560 insects and crustaceans was undertaken in madrid and tarragona.gregarina ormierei (78 % prevalence), s ... | 2017 | 27686940 |