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Lambda - cyhalothrin ( LTC ) is a synthetic pyrethroid with a broad spectrum of insecticidal and acaricidal activities used to control a wide range of insect pests in a variety of applications .
 Chemical: Lambda - cyhalothrin; Chemical: LTC; Chemical: pyrethroid
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: Lambda - cyhalothrin; Chemical: LTC; Chemical: pyrethroid