منابع مشابه
Figs and fig wasps
The current project builds on previous grants under the Darwin Initiative that focused on Nepal's flora, a key one of which dealt with plant information and technology transfer, run by the Natural History Museum in London. But the current project is much more ambitious. Although only funded for three years at present, the team hopes funds will be made available for the estimated 15 years it wil...
متن کاملNematodes, figs and wasps.
Certain Ficus spp. are dependent on wasps for pollination. The invading wasps usually shed their wings on entering a fig through the ostiole; and during attempted or successful egg deposi t ion, transfer pollen to the female flowers and then die. A gall forms around each egg, and within the gall develops a male or a female wasp. Male wasps are the first to emerge from galls, and they then ferti...
متن کاملBloody Funny Wasps
Following review of formicid characters a new model for evolution of ant eusociality is presented. This “semisocial ancestry hypothesis” has the following steps: (1) Ants are descended from a solitary wasp which accumulated and collectively reared its brood in acellular nests (without individual brood cells). Metapleural glands delivering antibiotic compounds evolved in adults as a correlated a...
متن کاملNeuroethology of Parasitoid Wasps
Predators as diverse as snakes, scorpions, spiders, insects and snails manufacture venoms to incapacitate their prey. Most venoms contain a cocktail of neurotoxins and each neurotoxin is designed to target specific receptors in the nervous and muscular systems. Most neurotoxins act peripherally and interfere with the ability of the prey's nervous system to generate muscle contraction or relaxat...
متن کاملWASPs with memory
A tumorigenic culprit in ES cells n the debate over whether ES cells or somatic stem cells have better prospects for stem cell therapies, ES cell proponents admit that their pluripotent cells carry an increased risk: ES cells can form teratomas. have found that a newly discovered Ras gene may be at the heart of this problem. ERas, previously thought to be a pseudogene, was found by the group as...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Notes and Queries
سال: 1865
ISSN: 0029-3970,1471-6941
DOI: 10.1093/nq/s3-viii.199.341-a