The red spider (Tetranychus yothersi McG.) on the avocado . 5.—Precipitation chart for the yrars 1918 and 1019 in southern Florida. Scolothrijis semnaculatus Pergande is one of the predatory thripsand is not abundant during the height of the red-spider it is present doing its share of destruction. It is a light-colored thrips possessing six dark spots on its body. It feeds on thered spiders in both the larva and adult stages. ClirysoiKi JateiaViH Guer. is one of the so-called lace-wing flies andis predatory in the larva stage on the red spider. The larvte, whilefeeding and
The red spider (Tetranychus yothersi McG.) on the avocado . 5.—Precipitation chart for the yrars 1918 and 1019 in southern Florida. Scolothrijis semnaculatus Pergande is one of the predatory thripsand is not abundant during the height of the red-spider it is present doing its share of destruction. It is a light-colored thrips possessing six dark spots on its body. It feeds on thered spiders in both the larva and adult stages. ClirysoiKi JateiaViH Guer. is one of the so-called lace-wing flies andis predatory in the larva stage on the red spider. The larvte, whilefeeding and wandering about the foliage in search of their prey,carry with them a protection consisting of foreign material, such ascast red spider skins, etc. The larA^se have a voracious appetite and 10 BULLETIN 103), U. S. DEPARTMENT OF AnRICULTUEE, possess powerful jaws with which they attack their prey. Thisspecies is quite beneficial. Scymnus utilis Horn.—The most important enemy of the redspicier found up to this time is a very small black ladybird beetle.
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Keywords: ., bookcentury1900, bookdecade1920, bookpublisherwashi, bookyear1922
