. The Cambridge natural history. Zoology. Fig. 242.â Ugimyia sericariae. A, The perfect fly, X | ; B, tracheal chamber of a silk- worm, with body of a larva of Ugimyia projecting; a, front part of the maggot ; 6, stigmatic orifice of the maggot ; c, stigma of the silkworm. (After Sasaki.) victim; Pdley supposed that the fly buzzes about the victim and deposits an egg with rapidity, but a circumstantial account given by Weeks ^ discloses a very different process: the fly he watched sat on a leaf quietly facing a caterpillar of Datana engaged in feeding at a distance of rather less than a quarte
. The Cambridge natural history. Zoology. Fig. 242.â Ugimyia sericariae. A, The perfect fly, X | ; B, tracheal chamber of a silk- worm, with body of a larva of Ugimyia projecting; a, front part of the maggot ; 6, stigmatic orifice of the maggot ; c, stigma of the silkworm. (After Sasaki.) victim; Pdley supposed that the fly buzzes about the victim and deposits an egg with rapidity, but a circumstantial account given by Weeks ^ discloses a very different process: the fly he watched sat on a leaf quietly facing a caterpillar of Datana engaged in feeding at a distance of rather less than a quarter of an inch. " Seizing a moment when the head of the larva was likely to remain stationary, the fly stealthily and rapidly bent her abdomen downward and extended from the last segment what proved to be an ovipositor. This passed forward beneath her body and between the legs until it projected beyond and nearly on a level with the head of the fly and came in contact with the eye of' the larva upon which an egg was de]DOsited," making an addition to five already there. Ugimyia sericariae does great â â Baron von Osten Sacken informs the writer that this statement has since been withdrawn by Portschinsky as being erroneous. 2 Ent. Amer. iii. 1887, p. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harmer, S. F. (Sidney Frederic), Sir, 1862- ed; Shipley, A. E. (Arthur Everett), Sir, 1861-1927. ed. [London, Macmillan and Co. , Limited; New York, The Macmillan Company
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1895
