. Bulletin, Gulf Biologic Station. Biology -- Societies, etc. All the species of horsetlics 1;iken so far in Ijouisifiiiji he- to two ji'ener;!. VJirjisopK and TtiJxnius. In Cliriisops C'oar- flies" and "doei-Hies") the Avin^rs ai-e varieerated wilh black, and the varions species are only sli<jflitly larger than the houselly : in 'rdhdiiiis i " horseflies"") the winofs are hyaline, or generally niai-ked wilii small lilack or brown spots, and the species are lar^-ei-. some of tlu'm very laruc One or two of tln^. ^5i^^^ ^^ Kio. 2.—Little earfly (Cli
. Bulletin, Gulf Biologic Station. Biology -- Societies, etc. All the species of horsetlics 1;iken so far in Ijouisifiiiji he- to two ji'ener;!. VJirjisopK and TtiJxnius. In Cliriisops C'oar- flies" and "doei-Hies") the Avin^rs ai-e varieerated wilh black, and the varions species are only sli<jflitly larger than the houselly : in 'rdhdiiiis i " horseflies"") the winofs are hyaline, or generally niai-ked wilii small lilack or brown spots, and the species are lar^-ei-. some of tlu'm very laruc One or two of tln^. ^5i^^^ ^^ Kio. 2.—Little earfly (Cliriixiijix jiikiii. male, pii- larged to three diameters. I.'rii'e species hav(> th(^ Avin^s nearly nniforndy black all over, JUxd another smaller one has the winys distinctly variegated vith black. There is no doubt but that there are two or more othei' penera in the State that have not been collected, bnt the ones named above, in any case, inclnde most of the species especially injui'ions in the United States. p:G(iS AND E(iG-LAYIN(i IX (iKXKRAL. ,\11 tile species of Cliri/sops whose euu-laying habits 1 know, and nuniy specii's of Tahaiius as well, place their eggs over water, while other species of Tabanus ovijiosit. on plants standing in wet ground. Some species are very precise in placing their eggs Tbus. 'I'dh'tinis shjfjius, which 1 Imve observed mai \- Col- lows the interesting habit of ovipositing on the upper surface .. 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 Gulf Biologic Station (La. ). Baton Rouge, Louisiana State Board of Agriculture and Immigration.
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