| efficient transmission of an introduced pathogen via an ancient insect-fungus association | in cupressus sempervirens the association between seed insects and tree pathogens has resulted in optimal exploitation of the cones. a fungus-infected cone can be inhabited by the nymphs of a true seed bug (orsillus maculatus), the adults of which may carry a heavy spore load at emergence. cones are infected when eggs are laid within the cone, most frequently via the emergence holes of a seed wasp (megastigmus wachtli). this symbiotic association evolved with the nonaggressive fungus pestalotiop ... | 1999 | 10541657 |