. First[-ninth] annual report on the noxious, beneficial and other insects, of the state of Missouri, made to the State board of agriculture, pursuant to an appropriation for this purpose from the Legislature of the state . I have most frequently noticed in those reared in thiscountry. When the worms die from being unable to moult they are calledlusettes; and such worms are most abundant in the third age. All these dif-ferent ailments and others, not mentioned, have received names; some local,others more general; but they none of them warrant further notice here,as they are not likely to becom
. First[-ninth] annual report on the noxious, beneficial and other insects, of the state of Missouri, made to the State board of agriculture, pursuant to an appropriation for this purpose from the Legislature of the state . I have most frequently noticed in those reared in thiscountry. When the worms die from being unable to moult they are calledlusettes; and such worms are most abundant in the third age. All these dif-ferent ailments and others, not mentioned, have received names; some local,others more general; but they none of them warrant further notice here,as they are not likely to become very troublesome if the proper attentionand care be given to the worms. BEST VARIETIES, OR RACES. Since the diseases just mentioned have been so prevalent in Europe,among the French and Italian races, the Japanese annuals have been themost esteemed. The eggs are bought at Yokahoma in September, and ship-ped during the winter. There are two principal varieties in use; the oneproducing white, and the other greenish cocoons, and known respectivelyas the White Japanese and the Green Japanese annuals. These cocoons areby no means large, but the pods are solid and firm, and yield an abundance 92 FOURTH ANNUAL REPORT OP. of They ai*e of about a size, and both varieties are almost alwaysconstricted in the middle (Fig. 32 c green ; d Avhite). Another valuable raceis the White Chinese annual (Fig. 32 e) which much resembles the AVhiterFic. :b.] .Japanese, but the cocoon is not so general!}^ constrictLd. Previous to the prevalence of disease, a race known asthe White French annual was the most esteemed, and inreality the cocoon (Fig. 32 a) is verj large, oval, andof a pure white. The Yellow French annuals (Fig. 32 V)which are of a deep rich cream, or straw color outsidebut more yellow inside, were also esteemed, and the co-coon is large and beautiful. There are local races or varieties in all the largesilk-producing countries, and they generally bear thename of the locality where
Size: 1171px × 2135px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1860, booksubjectb, booksubjectinsects
