- This nematode species includes 2 physiological races: the Florida race attacks Citrus and banana while the other one, which is widely distributed throughout the world, parasitizes banana exclusively.
- All stages gain entry to living, young and tender roots. The burrowing nematode lives and reproduces in the root tissues, causing lesions and necroses.
The root gradually withers and when it is no longer able to provide the conditions suitable for the development and feeding of the nematode, the pest departs and searches in the soil for another root which it penetrates immediately.
- Females lay 4-5 eggs each day over 2 weeks. The whole life-cycle takes place inside the roots and lasts about 15 days. Generations succeed one another as long as conditions remain favourable for development. The rate of increase of the population may then range from 1-10 in 45 days.
- This nematode is one of the most damaging species and is known in Florida as the 'spreading decline'. Trees indeed suffer from a loss of vigour and become stunted. Plant shoots are reduced, internodes are short, leaves small and sparsely distributed. Any affected tree will decline and, even they do not die, trees become almost unable to yield.