Bulletin of the Maryland Agricultural Experiment Station . which resemblesthe scaraboid stage in appearance, except that the larva is more activeand moves about-without feeding, however. It burrows a short distanceinto the soil, where it forms a cavity within which, in the course of a fewdays, it transforms with the sixth moult to the true pupa, (Fig. 24.)It is in the coarctate larva stage that the insect generally passes the win-ter, the true pupa state being assumed only in earlysummer just before the perfect beetles issue from theground. These curious larval changes are designated ashyperme
Bulletin of the Maryland Agricultural Experiment Station . which resemblesthe scaraboid stage in appearance, except that the larva is more activeand moves about-without feeding, however. It burrows a short distanceinto the soil, where it forms a cavity within which, in the course of a fewdays, it transforms with the sixth moult to the true pupa, (Fig. 24.)It is in the coarctate larva stage that the insect generally passes the win-ter, the true pupa state being assumed only in earlysummer just before the perfect beetles issue from theground. These curious larval changes are designated ashypermetamorphoses by entomologists, and it willbe seen from the figures and from the brief descrip-tions, that with each moult until the coarctate larvalstage is assumed, there is a rapid reduction in the Fig. 24 Epicauta size of the legs and mouth-parts, and the animal be- sidf ViewTbf llTel comes more and more helpless. The habit of feedingventral view. on locust or grasshopper eggs to a certain degree off- sets the destructive habits of the perfect tablaE. of gomtrnts. PAGE Letter of Submittal, -------- 3 Introductiox, 4 The Codling Moth: Life liistory; abundance in Maryland; remedial measures; effi-cacy of the old plan of bandaging and instances of the value ofspraying; substances used in spraying; apparatus for spraying;natural enemies ; predaceous beetles; true parasites, - - 5 The Gkeex June-beetle: Differences between this insect and the May beetles or Junebeetles of the Xorth; habits of the adult; damage done by thelarva?; life history not fully known ; abundance of the larvre incelery l)eds; remedies and preventives; technical descriptionof the larva, - - 11 €abbage-worms: Imported Cabbage worm; Cabbage Plusia; Cabbage MiimestraZebra Caterpillar; Cabbage Evergestis or Iionea; CabbagePlutella; remedies, 15 Harlequin Cabbage-bug: Distribution; difficulty of fighting; older remedies; H. E. Weedsplan recommended, 19 Apple-tree Borers : The liound-headed Apple-tree J
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectagriculture, bookyear
