. Ontario Sessional Papers, 1902, . Fie. 62.—Ciilex pungens : Kg^ mass, a, with eiiylaified eggs ul left. A, and voting Iur\;e below, c—eiilaiged.^ (FronxHoward, V. S. i)epaitmetit of Aiiiifnlturf.). Fie. bZ.—CiUezpuageutt : Full grown larva at left, a, pupa at light. 6—enlarged append-ages of tail of pupa, e. (From Howard, U. S. Department of Agrloulture.) [95; 96 THE REPOR r OF THE No. 19 water. The tension of tlie surface film buoys up the rosette, and hence the wriggler this breathing tube the insect, gets its supply of air. [Find out how long a wrigglercan remain u
. Ontario Sessional Papers, 1902, . Fie. 62.—Ciilex pungens : Kg^ mass, a, with eiiylaified eggs ul left. A, and voting Iur\;e below, c—eiilaiged.^ (FronxHoward, V. S. i)epaitmetit of Aiiiifnlturf.). Fie. bZ.—CiUezpuageutt : Full grown larva at left, a, pupa at light. 6—enlarged append-ages of tail of pupa, e. (From Howard, U. S. Department of Agrloulture.) [95; 96 THE REPOR r OF THE No. 19 water. The tension of tlie surface film buoys up the rosette, and hence the wriggler this breathing tube the insect, gets its supply of air. [Find out how long a wrigglercan remain under water without coming to the surface for air.] In nine or ten days, the wriggler assumes another shape—known as the pnpn. [Determinehow often the wriggler moults in this time.] The Pupa. They are considerably ditiereiit in ai)pearance from the true wrigglers. Theirhead-end is much enlarged (Fig. 53) and the insect is somewhat club-shaped. There is a differ-ence also in their appearance when at rest. The head-end is at the surface, and the supply ofair is taken in by two breathing tubes attached to the upper surface of the thorax portion of theenlarged end. Unlike most pupte, the pup:e of the
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Keywords: ., bookauthorontariol, bookcentury1900, bookdecade1900, bookyear1902
