. A text-book of agricultural zoology. Zoology, Economic. LACE-WING FLIES. 257 malia (Trichodecies) have three-jointed antennsB. These must not be confounded with the piercing-mouthed lice {Hcemato- pinus). Prevention and Treatment.—AH fowls should have "dust- baths," so that they can rid themselves of these pests. Eoad dust and lime or gypsum and a little paraffin make as good a mixture as any. All brood-hens should be dressed around the rump and under the wings with mercurial ointment before being set, and young chicks should be similarly dressed up the neck to kiU the tick-like sp
. A text-book of agricultural zoology. Zoology, Economic. LACE-WING FLIES. 257 malia (Trichodecies) have three-jointed antennsB. These must not be confounded with the piercing-mouthed lice {Hcemato- pinus). Prevention and Treatment.—AH fowls should have "dust- baths," so that they can rid themselves of these pests. Eoad dust and lime or gypsum and a little paraffin make as good a mixture as any. All brood-hens should be dressed around the rump and under the wings with mercurial ointment before being set, and young chicks should be similarly dressed up the neck to kiU the tick-like species (G. Eynsfordii) which stunts their growth so seriously. Lace-wing Flies (Hbmerobiidje). Lace-wing flies are of much service to us as a natural enemy of plant-lice. They are beautiful Neuroptera, with clear lace- like wings, bright shiny golden eyes, and green or yellowish- green bodies. Some have the power of giving forth a very oiFensive smell when touched. The eggs of the " Golden Eye " are peculiar structures, laid on long stalks (fig. 133, o) in groups upon the imder- side of the leaves of plants C and trees. The larvae (a) are Fio. 133.—Lace-wing Ply. provided with a powerful J^,^1:%°\X^a)""' ^"''"'''^= "' sickle-shaped pair of jaws, by means of which they ravenously devour the Dolphins; and having sucked out their life-juices, they throw the empty skins over their back to form a protection against the prying eyes- of birds. Beneath this curious Periclean covering the larva pupates. The larvse are often called Aphis Lions. A number of different species exist. B. 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 Theobald, Frederick Vincent, 1868-1930. Edinburgh and London, W. Blackwood and sons
Size: 1771px × 1411px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1899
