. Memoirs of the American Entomological Society . species of Sigmoria with medial flange onproximal portion of peak and with violet paranota and violet transversestripes along caudal margins of metaterga; gonopods with followingdiagnostic characters: prefemoral process relatively long, thicknessvariable; acropodite thin and fragile, arch flattened and extending beyondlevel of prefemoral process; anterior bend sharp, well defined; peak longand flat; apical curve bisinuate, with two parts bending inward toward arch;tip reflexed; medial flange very long and narrow, scarcely wider than, andpoorly
. Memoirs of the American Entomological Society . species of Sigmoria with medial flange onproximal portion of peak and with violet paranota and violet transversestripes along caudal margins of metaterga; gonopods with followingdiagnostic characters: prefemoral process relatively long, thicknessvariable; acropodite thin and fragile, arch flattened and extending beyondlevel of prefemoral process; anterior bend sharp, well defined; peak longand flat; apical curve bisinuate, with two parts bending inward toward arch;tip reflexed; medial flange very long and narrow, scarcely wider than, andpoorly demarcated from, stem of acropodite, arising at anterior bend, ter-minating at second inward bending part of apical curve; lateral flangevariable but usually distinctly visible, when present ranging from sub-triangular with margin broadly rounded to a long subrectangular projectionarising perpendicularly from acropodite stem. Holotype.— Length mm, maximum width mm, W/L ratio , depth/width MEM. AMER. ENT. SOC, 33 64 GENUS SIGMORIA. o t-l D. >13 ?a oa CO r- o c> co E oo o 60 ao CO »/-i 3 £ O 5 0> .C o o I— O <4- £j en T3 > oc E onO 3-a 13 o E £ 3 ?u w 8 o iS .H —3>5>6>4>1>7. Facial setae as follows: epicranial, interantennal, and genal absent;frontal 1-1, clypeal about 10-10, labral about 12-12. Collum broad, extending well b
Size: 1372px × 1821px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubje, booksubjectentomology
