. Bulletin. Natural history; Natural history. 388 Illinois Natl'kal irLsiciKv Bullktin Vol. 29, Art. 4 192 b. Fig. 192. -Fore wing of Sticlothrips maculalus: a, entire wing; b, enlarge- ment of center portion showing reticulations. 192a laterallmargin of the mesoeusternum (Fig. 193): large thrips. Elaphrothrips Mesopraesternum wider than the width of either anterior lateral margin of mes- oeusternum (Fig. 194), or degenerate; large or small thrips 46 46. Antennal segment III stocky, produced into a bulge or flange subbasally (Fig. 164) 47 Antennal segment III stocky or elon- gated, wit
. Bulletin. Natural history; Natural history. 388 Illinois Natl'kal irLsiciKv Bullktin Vol. 29, Art. 4 192 b. Fig. 192. -Fore wing of Sticlothrips maculalus: a, entire wing; b, enlarge- ment of center portion showing reticulations. 192a laterallmargin of the mesoeusternum (Fig. 193): large thrips. Elaphrothrips Mesopraesternum wider than the width of either anterior lateral margin of mes- oeusternum (Fig. 194), or degenerate; large or small thrips 46 46. Antennal segment III stocky, produced into a bulge or flange subbasally (Fig. 164) 47 Antennal segment III stocky or elon- gated, without a distinct bulge or flange subbasally 48 47. Maxillary stylets touching or nearly touching within the center of the head (based on an undescribed species) . (in part) Neothrips Maxillary stylets placed V-shaped with- in the head (Fig. 209) Agrothrips 48. Mouth cone pointed, sometimes extreme- ly long (Fig. 196) 49 Mouth cone more or less bluntly rounded (Fig. 197) 58 49. Maxillary stylets, when retracted, placed far apart within head (in part) Haplothrips. 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
