Inhaltsangabe
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1884 Excerpt: ...difference between it and the common Hippodamias, which it most resembles, are that the Diabrotica is usually greenish, varying occasionally to yellowish, that it has twelve black spots arranged in parallel rows down the wing covers, and that the thorax is green and unspotted The twelve-spotted Diabrotica belongs to the family Chrysomelidce, or leaf-eating beetles. Dr. Packard states that they devour the leaves of dahlias, and they are commonly found gnawing melons, squashes, and cucumbers. I also here give another Plate, IVa, that contains a greater variety, so great in fact that with the appended description of Comstock it will enable one to recognize as belonging to this important and friendly family any members he may find. In case of the adult of each species described here two figures are given, the smaller one indicates the size of the insect, the larger one the markings. THE ASHY-GRAY LADYBIRD. Cyclonuda abdominalis, Say. This little beetle was found verjr abundantly upon different trees infested with an aphid, and as it has not been before described, we submit the following: Description of larva.--Plate iva, Figure 1. Length when full grown, 10mm; color spotted with dirty greenish-white; black and orange above; face yellow, remainder of head black; prothorax black, irregularly margined before and behind with light yellow; mesothoracic segment with a broad longitudinal dorsal yellow stripe: metathoracic segment with a broad central dorsal spot; each of the abdominal segments, except the last, witti a dorsal yellow spot, which upon the fourth abdominal segment is very broad; segments 1 and 4 each with a pair of subdorsal yellow spots; all segments except the last with a row of lateral yellow spots on each side. There is a pair of small subdorsal blac...
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