4093
Bearing in mind the limitation of the small number of surviving pairs in some treatments , we found that the three pesticides reduced the size of eggs and imidacloprid and difenoconazole also reduced the fertilization rate .
 Chemical: imidacloprid; Chemical: difenoconazole
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: imidacloprid; Chemical: difenoconazole