| Illinois. Department of Agriculture - 1878 - 732 pages
...elm, on which they may be found in June and August. They are black, minutely dotted with white, and with a row of eight dark brick-red spots on the top of the back. They are covered with spines on all but the first segment that are similar to those of the Graptas.... | |
| 1881 - 284 pages
...elm, but more common on the willow ; a stoutly-spined ,caterpillar, with a black body spotted minutely with white, with a row of eight dark brick-red spots on the back ; changing to a dark brown chrysalis, with large tawny spots around the tubereles on the back.... | |
| United States Entomological Commission, Alpheus Spring Packard - 1890 - 1060 pages
...elm, bat more common on the willow ; a stoutly-spiued caterpillar, with a black body spotted minutely with white, with a row of eight dark brick-red spots on the back; changing to a dark brown chrvsalis, with large tawny spots around the tubercles on the back.... | |
| United States Entomological Commission - 1890 - 1078 pages
...elm, bat more common on the willow : a stontly-spiued caterpillar, with a black body spotted minutely with white, with a row of eight dark brick-red spots on the back; changing to a dark brown chrvsalis, with large tawny spots around the tubercles on the back.... | |
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