Superwasp Threatens America S Forests With Females Capable Of Producing 1 000 Offspring
The Sirex woodwasp (Sirex noctilio) lays its eggs on pine trees in a mucus and a fungus that are both deadly to the host. The species, native to Asia, Europe, and North Africa, has already wiped out forests in New Zealand, South America, and Australia. Now the wasp, which can measure up to one and a half inches, is threatening North American pine forests. In the U.S. climate, a single female would be able to produce more than 1,000 offspring - 100 times more than in the southern hemisphere....