Proceedings of the Academy of Natural Sciences of Philadelphia Volume 73 (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1922 Excerpt: ...roundly produced, with median emargination feebly suggested. Subgenital plate with sinistro-proximal portion specialized as described above, beyond this with surface moderately convex so that the very broadly and irregularly convex margin nearly touches the cercus, bearing on its internal surface at the margin beneath the cercus a stout straight spine, directed dorsomesad, this section of the margin terminating at the small simple sinistral style, situated just within the sinistral cercus; this style cylindrical, about twice as long as broad, directed dorso-mesad; beyond this point the margin is very deeply and roundly concave to the dextral style, similar but smaller and more tapering, situated slightly sinistrad of the median point and directed dextro-caudad, the internal surface of the plate at the base of this style bearing two stout spines of equal length curved caudad; remaining large dextral section of the plate curled inward beneath dextral cercus and supra-anal plate to slightly beyond this point, the dorsal outline of the projection triangular, with apex bluntly rounded. Concealed genitalia complex, the paired plate beneath the supra-anal plate apparently developed into projections armed with minute teeth.71 General coloration of entire insect ochraceous-buff. Vertex to between ocelli suffused with dresden brown. Eyes blackish brown. Ocelli light buff. Disk of pronotum with a tawny orange tinge. Tegmina showing an exceedingly faint and even tinge of buckthorn brown. Length of body 9.4, length of pronotum 2.4, width of pronotum 3.2, length of tegmen 9.8, width of tegmen 2.9, length of caudal tibia 3.8, length of caudal metatarsus 1.6 mm. Though even less striking in general appearance than thaumasia, this unique specimen also represents actually on...