Dear all
I am from Northwestern China (Xinjiang), China. Now I'm working on Russia wheat aphid (Diuraphis noxia). Interesting, sexupara, as well as female can be found in some region in autumn, but without eggs reportedly. I have some questions from you.
1. What about Russia wheat aphid form as overwinter stage, sexual or asexual in your county? If there are sexual, do you find eggs in weed or wheat in winter? Any comments on this questions
2. Can you give me some record about the location of Russia wheat aphid? For example, longitude, latitude and elevation.
By the way, please give me some literatures about Russia wheat aphid in your work or colleagues in your countries?
My mail: [email protected]
Many thanks in advance
Wish best regards.
Dr Lu zhaozhi
Xinjiang institute of Ecology and Geography, Chinese Academy science
January 18, 2019.
Dear Dr. Lu,
Normally, Diuraphis noxia has a bisexual generation and lay eggs for the winter. However, it is possible that it can overwinter without laying eggs in the south, like many other aphids in regions with warm climates.
Peña-Martínez and Vera-Castello (1993) have found D. noxia ovipares in Central México. I agree with the Stekolshchikov´s answer .
Thank for Rebeca Peña Martinez and Andrey
Lu
Rebeca Peña Martinez Andrey Valer'evich Stekolshchikov
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