. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. Bulletin. So. Calif. Academy of Sciences Vol. 45, Part 3, 1946 the wiUicixhI llorcLs, toriiird a ili'w iiirilU'd crust that in time 1)C- came more or less moldy. I'lion hnakinj^^ open the injured (Hsks one or more short, thick, and ^rul)-lilce Icpidopterous larxat' \vere disclosed. Tlicse Iiad ht'en feedinj^' u])()n the achcnia from the under side and forming- ca\ities and cliannels in (lie spongy re- ; Miss Murtfeldt found her lar\ae in flower heads of the Rus- sian Sunflower at
. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. Bulletin. So. Calif. Academy of Sciences Vol. 45, Part 3, 1946 the wiUicixhI llorcLs, toriiird a ili'w iiirilU'd crust that in time 1)C- came more or less moldy. I'lion hnakinj^^ open the injured (Hsks one or more short, thick, and ^rul)-lilce Icpidopterous larxat' \vere disclosed. Tlicse Iiad ht'en feedinj^' u])()n the achcnia from the under side and forming- ca\ities and cliannels in (lie spongy re- ; Miss Murtfeldt found her lar\ae in flower heads of the Rus- sian Sunflower at Kirkvvood, Missouri. The very large heads of that species of sunflower probably accounted for the occasional presence of more than one larva to a flower. With our native western species of Hcliaiitlnis, including the introduced H. anniins, the flower heads are too small to harbor more than one larva. The position of the larva in its chamber at the base of the seeds is shown in our Plate No. 15. Miss Murtfeldt's description of the mature larva is brief, but accurate. She writes: "The full grown larvae were about one inch in length by one- fourth inch in diameter, with very large golden brown head and broad corneous collar of a darker shade of the same color- Other-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Southern California Academy of Sciences. Los Angeles, Calif. : The Academy
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