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Cephenemyia ulrichii
''Cephenemyia ulrichii'' or the moose botfly, sometimes also called an elk botfly or moose nose botfly or moose throat botfly, is a large botfly that resembles a bumblebee. In the wild, they attack chiefly the nostrils and pharyngeal cavity of moose (known as elk in Europe), but have been found in deer. There have also been several cases of ''C. ulrichii'' squirting their larvae into the eyes of human beings, a somewhat painful event that requires medical attention to forestall any possibility of serious damage.
==Description==
The adult ''C. ulrichii'' botfly is 16–18 mm long, its body covered with fluffy hairs of yellow, black, and white, making it look like a bumblebee. Mouth parts are reduced, and like other adult ''Cephenemyia'' they do not feed.〔
Eggs hatch inside the female into first instar larvae, which are minute, white with black heads, and barbed. In sunny weather, from July to September, females seek out an appropriate host site, typically nostrils of a moose, and forcefully eject larvae onto its surface. Larvae enter their second instar in the moose's nostrils, then travel to its throat for the third instar.〔 Third instar larvae have rows of spines on both ventral and dorsal surfaces and may be up to 4 cm long.〔
When fully formed, the larva is ejected by the moose, mixed with blood and mucus. It pupates in the soil.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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