G. W. Barber.
Notes on Piesma cinera Say.
Psyche 31(5):229-232, 1924.

This article at Hindawi Publishing: https://doi.org/10.1155/1924/98052
CEC's scan of this article: http://psyche.entclub.org/pdf/31/31-229.pdf, 1680K
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19241 Notes on Piesma cinerea Say 231
The First Instar Nymph.
Length .74 mm; width .35 mm.
Color light yellow, eyes
red, antennse apically and tip of the beak somewhat brownish; body subdepressed, the sides nearly parallel; head nearly as long as wide, the protuberances before the eyes scarcely devel- oped; antennae as long as t,he head and prothorax together; eyes moderately prominent; beak reaches the middle coxse; posterior edge of the prothorax not wider than the anterior; abdomen but little wider than the prothorax, the edges somewhat flattened; head and thorax finely and sparsely punctured. The Second Instw Nymph.
Length 37 mm; width .53 mm. Color uniformly light yel- low with a faint tinge of green; head a little wider than long, the protuberances before the eyes faintly developed; antennae as long as t,he head and prothorax; thorax wider than the head, the posterior edge somewhat wider than the anterior; abdomen widest aft the second segment, a little wider than the thorax, the edges flattened; head and prothorax sparsely punct,at'e. The Third Instar Nymph.
Length 1.16 mm; width .66 mm.
Uniformly light yellow
with a tinge of green, paler at the margins; head wider than long; the protuberances before the eyes bluntly developed; thorax wider than the head, the wing pads nearly attaining the anterior edge of the third abdominal segment; prothorax two and a half times as wide as long; antennae minutely ciliate apically.
The Fourth Instar Nymph.
Length 1.75 mm; width .91 mm. Light yellow with a decided tinge of green; head wider than long, the protuberances before the eyes well developed; antennae nearly the length of the head and prothorax, ciliate apically; prothorax nearly twice



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232 Psyche [October
as wide as long, posterior edge nearly twice the length of the anterior; wing pads attain the fifth abdominal segment; scutellum moderately prominent; abdomen widest at the second segment, edges thin; body sparsely punctate.
The Fifth Instar Nymph.
Length 2.5 mm; width 1.1 mm. Color light with green markings; antennae with a brown tinge apically; prothorax with a light green area each side; abdomen light green, the edges and a quadrate area centrally placed on the third and fourth seg- ments light, the quadrate area bordered wit'h brown; head twice as wide as long, the protuberances before the eyes strongly developed; antennae as long as the head and prothorax, ciliate at the apex; head narrowed behind the eyes; beak scarcely reaching the middle coxse; prothorax rectangular, two and a half times as wide as long, the posterior margin but little longer than the anterior, marked with a faint ridge each side of the median line; scutellum prominent, triangular, wider than long ; wing pads nearly reach the fifth abdominal segment; abdomen somewhat wider than the thorax, widest at the second segment; body coarsely and sparsely punctate.




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