New records of pyrrolizidine alkaloid-feeding insects. Hemiptera and Coleoptera on Senecio brasiliensis.
New records are reported for a Hemipteran (Largus rufipennis) and a Coleopteran (Chauliognathus fallax) feeding on Senecio brasiliensis (Asteraceae) and sequestering pyrrolizidine alkaloids (PAs). Both insects are warningly colored and rejected by predators.
Klitzke
CF
Instituto de Química, UNICAMP, Caixa Postal 6154, 13083-970, Campinas, São Paulo, Brazil
Trigo
JR