
          XVIII
[drawings]
Cotton. Boll or Bore worm. SC. Geo, Fla. Corn Worm Va. Md. Pa. Plate 18.
Heliothis. (Ochs armigera. (Hub) H. umbrosus. Grote  1. Egg nat size as deposited about twilight. upon
the involucre (ruffle)  2. Parenchyma. or cellular tissue of the leaf as eaten by the caterpillar
the third day from the hatching of the egg.  3 Hole eaten through the involucre. the fifth day.
4 size of worm before shedding its skin.  5. Young worm eating the calyx the 6th day.
shielded by the involucre. (or ruffle)  6. size of worm after first moult.  7. young worm eating
the flower bud. the 9th day.  8. size of worm after second moult.  9. young worm eating
into the young boll the 14th day.  10 size of worm when  moulting the third time. showing.
the worm in the act of shedding its skin.  11. Full grown boll worm. with hole eaten in side
of boll after shedding skin the fourth time. (19th day) with frass in the boll  12. Boll cut
open longitudinally to exhibit injury  13. worm nat size after shedding skin the 4th time.
14 Eggs magnified. with young worm inside.  15 Green specimen of caterpillar  16 Brown
sp. of worm (note these caterpillars vary much in color even when from the same mothers &on the same
plant)  17. Large & small chrysalis.  18 Tail of Chrysalis mag?  19 cocoon formed under
ground. of particles of earth webbed or gummed together.  20 Moth at rest. ordinary color
21 Moth underside  22. Dark colored specimen of Moth.  23 Light colored specimen.
Note. These notes were made from insects raised from eggs in Florida. in Sept.  The time for the
moths to appear. varies however according to the temperature & season.
T Glover
        