文献表明过去都根据成虫的外部特征,尤其是从色型上进行豆象科的分类。作者从印度西北部采集到39种,研究认为有36个外部形态特征有用于分类之价值,其中:头部的 Literature shows that in the past based on the external characteristics of adults, especially from the color classification of legumes. The authors collected 39 species from northwestern India. The study concluded that there are 36 external morphological features that are useful for classification, of which: