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TEACHERS' MANUAL. 27
Q.—Are there any exceptions in regard to the number of
wings ? A.—Yes ; the females of the Canker-worm Moths are
wingless.
Q.—What are the prominent characters in the wings of
Lepidoptera for classification ? A.—They are covered with
minute scales.
Q.—Describe the mouth parts of the Lepidoptera ? A.—The
upper lip and jaws are rudimentary, while the lower jaw is
formed into a long tube or proboscis fitted for sucking.
Q.—Are their transformations complete or incomplete ?
A.—Complete.
Q.—In the pupa state are the appendages enclosed in separate
cases ? A.—No ; they are enclosed in a common sheath
or covering.
Q.—How many legs have the larvae of Lepidoptera ?
A.—From ten to sixteen legs.
Q.—What example is given of a larva provided with ten
legs ? A.—The Spring Canker-worm, Fig. 150.
Q.—What example is given of larvae provided with sixteen
legs ? A.—The larva of the Achemon Sphinx, Fig. 152.
Q.—Are the larvae of Lepidoptera injurious ? A.—They
are all injurious excepting one small species.
Q.—Name the illustrations which have been given of typical
insects of this Order in this and preceding chapters ?
A.—Figs. 16, 81, 88 a ad 146, Butterflies ; Figs. 17,147 and 148,
Moths.
Hemiptera.
Q.—What are the insects of the Order Hemipteria commonly
termed ? A.—True Bugs.
Q.—Name some insects which belong to Hemiptera ?
A.—The Dotted-legged Plant Bug, the Spined Soldier Bug,
the Eing-banded Soldier Bug, and the Many-banded Robber.