All-Natural Mosquito Control in East Meadow

Nassau- 516-321-0606 Su olk- 631-440-1881
T h e M o s q u i t o a n d T i c k P r o f e s s i o n a l s y o u c a n
t r u s t !
DEVELOPMENT OF A DEGREE-DAY
MODELTO PREDICT EGG HATCH OF
AEDESALBOPICTUS
Abstract
Aedes albopictus, the Asian tiger mosquito, is an important nuisance mosquito species and known
vector of arboviruses such as dengue, chikungunya, and Zika. Despite their cosmopolitan
distribution around the world, there is a paucity of accurate predictive models based on rates of
development at di erent temperatures (degree-day models). These types of models can bene t
mosquito control districts by predicting when to target early-season larval development, when
populations are likely at their lowest levels. In this study, we determined the e ect of temperature
and nutrient levels on the development rates and male and female adult size of 2 Ae. albopictus
populations: one eld-collected, the other a 20-year-old lab colony. We found relatively small
di erences in the e ects of temperature and nutrient levels between populations. Data from these
studies were used to create a predictive degree-day model, which when tested in New Jersey
correlated with eld observations of early-season eld populations of Ae. albopictus. While other
important factors, such as day length and uctuating temperatures, should be evaluated, data

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from this study will contribute to the development of operational strategies to e ectively time
early-season larviciding against this species.
Keywords: Asian tiger mosquito; development rates; temperature; thermal minimum; wing length.
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