. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 180 bulletin: museum of comparative zoology Ocelli absent; fourth joint of the tarsi prominently bilobed; some of the branches of the radial sector directed forward; medium sized species, 20 to 40 mm. in wing expanse. (Fig. 334). (Proto- sialis, Am.; Austrosialis, Stenosialis, Austr.; Sialis, holarc). SIALIDiE. Figs. 333-335. Megaloptera 333. Corydalis, wings. Corydalidse. 334. Austrosialis, wings (Tillyard) Sialidse. 335. Chauliodes, wings. Corydalidse. Larvae 1. Eight pairs of lateral gills; a pair of hooked anal pr
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 180 bulletin: museum of comparative zoology Ocelli absent; fourth joint of the tarsi prominently bilobed; some of the branches of the radial sector directed forward; medium sized species, 20 to 40 mm. in wing expanse. (Fig. 334). (Proto- sialis, Am.; Austrosialis, Stenosialis, Austr.; Sialis, holarc). SIALIDiE. Figs. 333-335. Megaloptera 333. Corydalis, wings. Corydalidse. 334. Austrosialis, wings (Tillyard) Sialidse. 335. Chauliodes, wings. Corydalidse. Larvae 1. Eight pairs of lateral gills; a pair of hooked anal prolegs, but no terminal filament Seven pairs of lateral gills; no anal prolegs; terminal filament present LITERATURE ON MEGALOPTERA (See also general papers on Neuroptera) Barnard, K. H. Cape Megaloptera. Trans. Roy. Soc. South Africa, 19, pp. 169-184 (1931). Davis, K. C. Sialididae of North and South America. Bull. New York State Mus., No. 68, pp. 442-487 (1903). Esben-Petersen, E. Megaloptera. Gen. Insectorum, fasc. 154 (1913). Stitz, H. Megaloptera. In Tierwelt Mitteleuropas, 6, Lief. 1, pp. XIV 1-2 (1928). Weele, H. W. Megaloptera. Coll. Zool. Selys-Longchamps, fasc. 5, Brussels (1910). ORDER RAPHIDIODEA (RAPHIDIOIDEA, EMMENOGNATHA, part.) Moderate-sized, slender, predatory species with elongate cylindrical prothorax; head large, nearly horizontal, mandibles strong, antennae. 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 Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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