. Annali del Museo civico di storia naturale Giacomo Doria. Natural history. A TAXONOMIC STUDY OF SCLEROGIBBIDAE 551. Figs. 17-26. 17-18: Sclerogibba crassifemorata Rig. & , male; 17 = head, 18 = wings, 19-20: Criptobethylus mancinii Masi, holotype male; 19 = head, 20 = marginal cell area of fore wing. 21-23: Lithobiocerus vagabundas Bridw., male; 21 = head, 22 = apex of mandible, 23 = marginal cell area of fore wing. 24: Prosclerogibba transitoria Dess., holotype male, head. 25-26: P. dessarti sp. nov., paratype male; 25 = head, 26 = marginal cell area of fore wing. femur twice
. Annali del Museo civico di storia naturale Giacomo Doria. Natural history. A TAXONOMIC STUDY OF SCLEROGIBBIDAE 551. Figs. 17-26. 17-18: Sclerogibba crassifemorata Rig. & , male; 17 = head, 18 = wings, 19-20: Criptobethylus mancinii Masi, holotype male; 19 = head, 20 = marginal cell area of fore wing. 21-23: Lithobiocerus vagabundas Bridw., male; 21 = head, 22 = apex of mandible, 23 = marginal cell area of fore wing. 24: Prosclerogibba transitoria Dess., holotype male, head. 25-26: P. dessarti sp. nov., paratype male; 25 = head, 26 = marginal cell area of fore wing. femur twice as long as wide; inner spur of middle tibia as long as the outer spur. Fore wing with marginal cell triangular in shape, first submarginai cell trapezoidal. Wing membrane completely devoid of any trace of spurious veins. Abdomen twice as long as wide, slightly compressed dorso-ven- trally. Segments shining, sculpture like to that of mesopleuron. Pube- scence uniformly long and dispersed throughout, save hypopygium more densely covered with stronger and longer, subdecumbent yello- wish setae. Female and biology unknown. Variation. Size vary from to mm. In the holotype and two paratypes lateral ocelli are situated distinctly below the line connecting upper tops of eyes. In the very small sized specimens,. 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 Museo civico di storia naturale Giacomo Doria (Genoa, Italy). Genova : Stab. tipo-litografico P. Pellas Fu L.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectnaturalhistory, booky
