First report of the rhodesgrass mealybug Antonina graminis (Maskell, 1897) (Hemiptera: Coccomorpha: Pseudococcidae) in Chile, with key to genera of Pseudococcidae
2021
Amouroux, Paul | Zaviezo, Tania
The rhodesgrass mealybug, Antonina graminis (Maskell, 1897), is reported for the first time from Chile, in the northern region of Tarapacá. This legless mealybug is widely distributed in tropical and subtropical regions around the world, and yet mentioned in the neighbouring countries. It feeds on a large variety of grasses (Poaceae), and can be considered as pest. The species identification was based on morphological and molecular data using the 28S gene as barcode marker. Of the five sites sampled, A. graminis was found in only one, indicating it may correspond to a recent introduction. Thus, it would be important to survey more closely its distribution within the country. A key to the genera of Pseudococcidae from Chile is provided, including relevant genera considered as pest, and not established in the country. This key is of direct interest to stakeholders in Chile, such as national phytosanitary services, and farm advisors.
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