Journal of agricultural research . rmula was de-rived from a single specimen.) The thin layers of the transparent, colorless, nakedcuticle are traversed by fine transverse striae, resolvable with high powers into rows ofdots, more particularly near the head and on the tail, those on the tail being some-what irregularly placed. The cuticle is also longitudinally striated, and the dots of thetransverse striations are coincident with those of the longitudinal striaticns. The longi- • Contribution from the Entomological Laboratory, Kansas State Agricultural College, No. 17. Thispaper embodies the


Journal of agricultural research . rmula was de-rived from a single specimen.) The thin layers of the transparent, colorless, nakedcuticle are traversed by fine transverse striae, resolvable with high powers into rows ofdots, more particularly near the head and on the tail, those on the tail being some-what irregularly placed. The cuticle is also longitudinally striated, and the dots of thetransverse striations are coincident with those of the longitudinal striaticns. The longi- • Contribution from the Entomological Laboratory, Kansas State Agricultural College, No. 17. Thispaper embodies the results of some of the investigations undertaken by the authors in the prosecution ofprojects Kos. 13 and loi, Kansas Agricultural Experiment Station. 2 A tent was placed around an elm tree so that all emerging insects might be secured for breeding purposes. Journal of Agricultural Research, Vol. VI, No. 3 Dept. of Agriculture, Washington, D. C. Apr. 17, 1916 dd Kans.—2 (115) ii6 Journal of Agricultural Research Vol. VI, No. 3.


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagricul, bookyear1913