A novel interference behaviour: invasive wasps remove ants from resources and drop them from a height
نویسندگان
چکیده
منابع مشابه
A novel interference behaviour: invasive wasps remove ants from resources and drop them from a height.
This study reports a novel form of interference behaviour between the invasive wasp Vespula vulgaris and the New Zealand native ant Prolasius advenus. By videotaping interactions at bait stations, we found that wasps commonly remove ant competitors from food resources by picking up the workers in their mandibles, flying backward and dropping them unharmed some distance from the food. Both the f...
متن کاملProperties of Four Local Apple Varieties from North-West of Iran and Bruise Damage of Them Related to Drop Height
One of the main factors that cause to quality loss for fresh fruit market apples is bruise damage. Amongst the factors that affect apple sensitivity to bruising, major one is drop height and area profile during the impact. In the present study, four Iranian apple varieties consisted of Atirli, Kapak, Kowse and Paiez that were selected and 100 fruits of each variety were picked up, then apples w...
متن کاملProperties of Four Local Apple Varieties from North-West of Iran and Bruise Damage of Them Related to Drop Height
One of the main factors that cause to quality loss for fresh fruit market apples is bruise damage. Amongst the factors that affect apple sensitivity to bruising, major one is drop height and area profile during the impact. In the present study, four Iranian apple varieties consisted of Atirli, Kapak, Kowse and Paiez that were selected and 100 fruits of each variety were picked up, then apples w...
متن کاملf/sla from learner perspectives: a social activity or a cognitive process
in the past couple of decades sociocultural theory of sla and its implications in efl contexts have attracted attentions of research circles worldwide and aroused some controversies. firth and wagner (1997) have questioned the principles of the cognitive view which gives importance to mental constructs in favor of sociocultural view which highlights social and contextual constructs. but if soci...
15 صفحه اولA Miracle Survival after Falling from Height: A Case Report
Falling from height is an urban phenomenon and shows an important form of blunt trauma. We report an 18-year-old man who fell from 6 m height onto vertical steel rods in an under construction building. He went under surgery to remove two foreign bodies and was discharged on the 2nd day after surgery in good conditions. The objective of this report is to provide a definitive baseline to improve ...
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: Biology Letters
سال: 2011
ISSN: 1744-9561,1744-957X
DOI: 10.1098/rsbl.2011.0165