Updated March 21, Female cockroaches can reproduce healthily for years without ever meeting a member of the opposite sex, a Japanese study has found. Researchers from Hokkaido University isolated 15 virgin female cockroaches in Within three years, the female-only colony had bred five generations and only showed small signs of slowing down. While this phenomenon is not unheard of in the insect world, entomology expert David Merritt from the University of Queensland's Faculty of Science said the fact the cockroaches could breed for so long was unusual. They're not as sickened as colonies seem to have been shown in the past to be.
Female American cockroaches can produce eggs by .. for being gender ambiguous' as he discusses his troubled childhood and sexuality. While German cockroaches are smaller than American cockroaches, they can be more difficult to control because they reach sexual maturity sooner and lay.
As generations of pest controllers and embattled homeowners know only too well, cockroaches are supposedly hardy enough to survive anything - even a nuclear war. Now, however, scientists are exploiting the weakness that could consign the insects to oblivion:
Japanese Rhinoceros Beetles - Mating
In this excerpt from the 10th Edition of the Mallis Handbook of Pest Control, which will be published later this year, Dr. Coby Schal answers your most pressing and fun! To learn more about the Mallis Handbook, visit www. Do albino cockroaches exist? Do females need males to reproduce?