. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. Fig, 27. Fig. 2; METHODS OF PINNING DIFFERENT CLASSES OF INSECTS. 170 REPORT OF STATE BOARD OF HORTICULTURE. these are some small beetles belonging to the genus Dermestes andAnthrenus, which find entrance through the smallest opening and laytheir eggs upon the dried specimens. The larvae work unseen withinthe bodies of the pinned insects, and in time cause their total destruc-tion. To prevent this a piece of naphthaline, an ordinary moth ballwill do, should be kept pinned to
. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. Fig, 27. Fig. 2; METHODS OF PINNING DIFFERENT CLASSES OF INSECTS. 170 REPORT OF STATE BOARD OF HORTICULTURE. these are some small beetles belonging to the genus Dermestes andAnthrenus, which find entrance through the smallest opening and laytheir eggs upon the dried specimens. The larvae work unseen withinthe bodies of the pinned insects, and in time cause their total destruc-tion. To prevent this a piece of naphthaline, an ordinary moth ballwill do, should be kept pinned to one corner of the specimen case; and ifat any time a small quantity of fine dust is observed under the pinnedspecimen it is evidence that the pest is at work. A spoonful ofbisulphide of carbon may be poured into the box, which should beclosed quickly and left. Benzine will answer the same purpose, but asthis is highly inflammable, it should never be used in the presence of alighted lamp or near fire of any a m <AO aw on ^;I—I < I—(oI—I o I—(05U3 HCl, Q^ O 55I—IQ m o «o a HO o w 02 o5Q ow CQ 2:; s «
Size: 1322px × 1890px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorcaliforn, bookcentury1800, bookdecade1850, bookyear1853
