. Report of the State Entomologist of Connecticut for the year ... ted canescan be gathered and burned in the fall or early spring. If thesemeasures are practiced thoroughly for a few seasons, the injurywill be much lessened. 204 CONNECTICUT EXPERIMENT STATION BULLETIN 226. Literature. Currant Stem Girdler, Report of Connecticut Agri-cultural Experiment Station for 1896, page 238.(Brief illustrated account.) , Bulletin 22, Connecticut Geological and NaturalHistory Survey, page 172, 1916. (Keys for separ-ating the species.) The Currant Stem Girdler, Insect Life, Vol. VII, page387, 1895. (Illust
. Report of the State Entomologist of Connecticut for the year ... ted canescan be gathered and burned in the fall or early spring. If thesemeasures are practiced thoroughly for a few seasons, the injurywill be much lessened. 204 CONNECTICUT EXPERIMENT STATION BULLETIN 226. Literature. Currant Stem Girdler, Report of Connecticut Agri-cultural Experiment Station for 1896, page 238.(Brief illustrated account.) , Bulletin 22, Connecticut Geological and NaturalHistory Survey, page 172, 1916. (Keys for separ-ating the species.) The Currant Stem Girdler, Insect Life, Vol. VII, page387, 1895. (Illustrated account.) Proceedings Boston Society of Natural History, , page 224, 1861. (Original description ofadult.) Slingerland, M. V., The Currant Stem Girdler, Bulletin 127, CornellAgricultural Experiment Station, pages 41-53,1897. (Full illustrated account.) Slingerland, M. V., and Crosby, C. R., The Currant Stem Girdler,?Manualof Fruit Insects, page 357, 1914. (Brief illustratedaccount.) Britton, W. E., MacGillivray, A. D. Marlatt, C. L.,Norton, Edward,. Figure 16. Currant stem girdler: e, pupa; /, larva in twig; g, larva;h, mouthparts of larva; i, dorsal view of tip of abdomen; j, lateral view ofsame—-all enlarged. (After Marlatt, Insect Life, vols, vi and vii. Divi-sion of Entomology, U. S. Department of Agriculture.) THE CELERY CATERPILLAR OR FENNEL WORM. Papilio polyxenes Fabr. (asterias). A yellowish-green caterpillar, more or less prominently markedcross-wise with black is often seen feeding upon the leaves of celery,carrots, parsnip, parsley, fennel, or in fact almost any plant of thefamily Umbelliferae. Though never very abundant, one often CELEEY CATERPILLAR OR FENNEL WORM. 205 finds several of these caterpillars on a short row in the they are quite destructive to young plants, especiallycelery. Few observers recognize this caterpillar as the larva of thecommon black swallow-tail butterfly which may be seen here andthere, everywhere, at cert
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