1993～1997年，花生收获时，发现花生荚果上有许多孔洞，经过观察研究证明，是由一种蚂蚁所致，并查明此种蚂蚁的种名、形态特征、活动规律及防治方法等。 From 1993 to 1997, when peanuts were harvested, many peculiar holes were found on the peanut pods. After observation and study, it was proved that the peanut was caused by one kind of ants, and the species name, morphological characteristics, activity rules and control methods of the ants were identified.