【摘要】 双额岩小粪蝇Bifronsina bifrons(Stenhammar)为中国大陆新记录种,近年来,在广州草菇场大量发生。本文观察了其生活史,对各虫态的形态特征进行了描述。更多还原

【Abstract】 Bifronsina bifrons(Stenhammar),a newly recorded species in Mainland China,was found firstly in adjacent of Guangzhou,mainly occuring in field of straw mushroom recently.Its life history was observed,and the morphological characters of all 4 stages were briefly discribed.更多还原