Show HARMFUL GREEN BOTTLE FLY causes wool maggot of sheep and has been known to deposit eggs on an calves prepared by tho the united states department of agriculture the green bottle fly has a wide distribution trib ution throughout the world it Is knonk as the meen green bottle or green blowfly in this country it Is rather losely closely los cly associated edth of 0 man coan and Is not as commonly known on the range us as ire the screw worm fly and the mark black blowfly it Is often abundant in cillis especially if garbage Is not properly cared for this Is the fly which opuses the wool maggot of sheep in the british isles A 9 the green bottle fly enlarged Enlarge rf and tho the same habit has been recorded for it in this country it has been known to deposit eggs on the soiled rumps of calves as well as sheep following diarrhea and occasionally it infests wounds on animals it Is usually slightly smaller than the black blowfly and the screw worm fly its color ranges from a brilliant bluish green to a dark metallic bronze green it Is without stripes or other markings the adult flies usually appear during the first warm days of spring and are present throughout the summer though they seldom become as numerous as the screw worm fly or black blowfly the length of time required rhoun ed for development Is about the same as that required by the black blowfly the maggots breed exclusively in animal matter there are two or more species of flies files of this group which occasionally breed in living animals apparently fit attacking only old festering wounds they are of comparatively comparatively little I 1 importance and since there are a great number of different kinds of flies of this group some of which are not at all injurious it Is hardly necessary that the stockmen stoc kmen learn to recognize them their size varies considerably from a little larger than the common housefly to somewhat larger than the black blowfly the color Is usually uniformly gray with black stripes on the back many of the members of this group of flies retain the eggs in the abdomen until they hatch and thus bring forth living m maggots Ig gots those species which attack living animals breed in decaying animal matter and their life history Is almost the same as that of the screw worm fly the flies seldom become very numerous and in most of the cases in which they are found in living animals they are located in old festering wounds or the young are deposited after a sore has become infested by screw worms these flies seem to be able to withstand the hot dry weather of midsummer in the southwest and probably tire are responsible for many of the cases of infestation of animals during such periods |