. Bulletin. Natural history; Natural history. May, 1968 StANKARIK Till- TllKTPS Ol hllNlllS 235. Fig. 29.—Beating and jarring leaves and branches over cloth tu Photo by W. E. Clark. making whole mounts of thrips, it is not always long lasting. For the per- manent collection, thrips should be mounted in balsam. In making balsam mounts it is ad- visable to remove the thrips from AGA to 70-percent alcohol, and pierce a hole in the abdomen with a fine, sharp pin. This hole allows for quick pas- sage of balsam into the body to pre- vent collapsing. From the 70-percent alcohol solution change the th
. Bulletin. Natural history; Natural history. May, 1968 StANKARIK Till- TllKTPS Ol hllNlllS 235. Fig. 29.—Beating and jarring leaves and branches over cloth tu Photo by W. E. Clark. making whole mounts of thrips, it is not always long lasting. For the per- manent collection, thrips should be mounted in balsam. In making balsam mounts it is ad- visable to remove the thrips from AGA to 70-percent alcohol, and pierce a hole in the abdomen with a fine, sharp pin. This hole allows for quick pas- sage of balsam into the body to pre- vent collapsing. From the 70-percent alcohol solution change the thrips to 95-percent alcohol and then briefly to oil of wintergreen to fix the tissues prior to placement in balsam on the slide. Pieces of glass (fragments of broken cover slips will serve) placed to the anterior and posterior of the speci- men before the cover slip is put in place prevent eventual mashing and distortion by the cover slip as the medium hardens. Wings and legs should be spread for clear vision. Cus- tomarily thrips are mounted dorsal side up. Very dark specimens might ect Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
