The black bean aphid, Aphis craccivora was described by Koch in 1854 from Germany. Recently, the genus Aphis Linnaeus, 1758 is subdivided into 6 subgenera : Aphis (s.s.), Bursaphis Baker, 1934, Iowana Hottes, 1954, Maculaphis Zhang and Zhang, 2002, Pseudoprotaphis Kadyrbekov, 2001, Toxoptera Koch, 1856 and Zyxaphis Knowlton, 1947 (Favret, 2016). Aphis craccivora is kept under subgenus Aphis. In...

black bean aphid is widely distributed in the world. it has several hosts from weeds and cultivated plants. this aphid passes the winter as egg on some permanent weeds, box tree and etc. young wingless hatches from the eggs in the spring and the winged aphids after appearance migrate to seed beet fields. after producing some generations, they fly to the various summer hosts such as bean, sugar ...

The potato leafhopper, Empoasca fabae (Harris) (Hemiptera: Cicadellidae), is an emerging pest of potato and insecticide applications to control this insect have increased in recent years. Based on field observations of leafhopper-crop dynamics, however, currently recommended action thresholds seem to be overly conservative. As a result, we initiated two experiments designed to quantify the impa...

The responsibility for protecting U.S. agriculture from pests and diseases is assigned by the Federal Plant Pest Act (FPPA) to the Animal and Plant Health Inspection Service (APHIS) of the Department of Agriculture. The Plant Protection Act (Title 7 U.S.C. Sections 7701 et seq.) gives Aphis statutory authority over genetically modified organisms (GMO), in effect assigning to APHIS a related res...

We are extending the comment period for a proposed rule to allow the importation of lemons from northwest Argentina into the continental United States. This action will allow interested persons additional time to prepare and submit comments. DATES: We will consider all comments that we receive on or before August 10, 2016. ADDRESSES: You may submit comments by either of the following methods: •...