TY - JOUR
T1 - Virulence of entomopathogenic fungi isolated from wild mosquitoes against Aedes aegypti
AU - Aguilar-Durán, Jesús A.
AU - Villarreal-Treviño, Cuauhtémoc
AU - Fernández-Santos, Nadia A.
AU - Hamer, Gabriel L.
AU - Rodríguez-Pérez, Mario A.
N1 - Publisher Copyright:
© 2023 Entomological Society of Korea and John Wiley & Sons Australia, Ltd.
PY - 2023/4
Y1 - 2023/4
N2 - The entomopathogenic fungi Metarhizium anisopliae and Beauveria bassiana are highly virulent control tools for insect pests and have been under evaluation for the control of globally important mosquito vectors such as Aedes aegypti. Here, we identified and isolated other virulent entomopathogenic fungi against Ae. aegypti. We collected 7 species of mosquitoes by human landing catch in 5 municipalities in Central and Northern Mexico and isolated 28 species of fungi. We harvested fungal conidia from six and assessed virulence against Ae. aegypti females. We observed variation in virulence of fungi in Ae. aegypti with the most virulent being Aspergillus tamarii, with a LT50 of 6.4 (±0.65) days and the least virulent was Trichoderma euskadiense with a LT50 of 16.3 (±1.5) days. Additional assays evaluated the impact of the fungi on Ae. aegypti fecundity and fertility and A. tamarii had the highest for both, resulting in 60% and 37% decrease, respectively. These results provide support for the potential utility of A. tamarii as an entomopathogenic control tool for the dengue vector, Ae. aegypti, pending further evaluations of environmental and nontarget safety.
AB - The entomopathogenic fungi Metarhizium anisopliae and Beauveria bassiana are highly virulent control tools for insect pests and have been under evaluation for the control of globally important mosquito vectors such as Aedes aegypti. Here, we identified and isolated other virulent entomopathogenic fungi against Ae. aegypti. We collected 7 species of mosquitoes by human landing catch in 5 municipalities in Central and Northern Mexico and isolated 28 species of fungi. We harvested fungal conidia from six and assessed virulence against Ae. aegypti females. We observed variation in virulence of fungi in Ae. aegypti with the most virulent being Aspergillus tamarii, with a LT50 of 6.4 (±0.65) days and the least virulent was Trichoderma euskadiense with a LT50 of 16.3 (±1.5) days. Additional assays evaluated the impact of the fungi on Ae. aegypti fecundity and fertility and A. tamarii had the highest for both, resulting in 60% and 37% decrease, respectively. These results provide support for the potential utility of A. tamarii as an entomopathogenic control tool for the dengue vector, Ae. aegypti, pending further evaluations of environmental and nontarget safety.
KW - A. aegypti
KW - Aspergillus tamarii
KW - biological control
KW - entomopathogenic fungi
UR - http://www.scopus.com/inward/record.url?scp=85153395421&partnerID=8YFLogxK
U2 - 10.1111/1748-5967.12640
DO - 10.1111/1748-5967.12640
M3 - Artículo
AN - SCOPUS:85153395421
SN - 1738-2297
VL - 53
SP - 158
EP - 166
JO - Entomological Research
JF - Entomological Research
IS - 4
ER -