(1966) Life History and Control of a casebearer
, Chlamisus cribripennis (Coleoptera: Chrysomelidae), on blueberry.
An experienced farmer, she is just as comfortable discussing the threat that casebearer
moths pose to pecan cultivation as she is rallying Democrats behind female candidates.
Quednau, "Notes on life-history, fecundity, longevity, and attack pattern of agathls pumila (hymenoptera: braconidae), a parasite of the larch casebearer
," The Canadian Entomologist, vol.
Key pests impact production of nuts, such as the pecan nut casebearer
Acrobasis nuxvorella Neunzig, the hickory shuckworm Cydia caryana (Fitch), the pecan weevil Curculio caryae (Horn), and numerous species of stink bugs; secondary pests attack the foliage, such as the pecan aphids Monellia caryella (Fitch), Melanocallis caryaefoliae (Davis), and Monelliopsis pecanis Bissell, the pecan phylloxera Phylloxera sp., and the walnut caterpillar Datana integerrima Grote and Robinson (Harris, 1983; Ree and Knutson, 1997; Knutson and Ree, 2002).
Another positive result was that the ARS researchers learned how--with the help of beneficial Trichogramma wasps--to control the pecan casebearer
. As one of pecans' major pests, the larvae of this one-third-inch-long gray moth tunnel into the small, immature nutlets, killing them.
Anticipate that the pecan casebearer
caterpillar may be wreaking havoc on developing nutlets in early May, and ask your local extension office for organic spray programs.
Several moth larvae infest the husks and cotyledons of nuts, including the hickory shuck-worm (Cydia caryana), the filbertworm (Melissopus latiferreanus), the pecan nut casebearer
(Acrobasis nuxvorella), the navel orangeworm (Paramyelois transitella), and codling moths (Laspeyresia pomonella) (Moznette et al., 1940; Michelbacher & Ortega, 1958; Calcote et al., 1984; Nilsson, 1985; McGranahan & Leslie, 1991; Thompson & Grauke, 1991).
The Agathis wasp - less than one-eighth inch long - is known to attack only the casebearer
, but the newspaper story illustrates the lack of understanding that accompanied this new tiny hero on the western scene.
Parasites of hickory shuckworm and pecan nut casebearer
with five new host- parasites records.
Chickens will also gobble wormlike larvae of such pests as the pecan nut casebearer
as they emerge in spring, as well as the grubs of other bugs.
Insecticides are still used to control the nut casebearer
and shuckworm, but the most effective ones are no longer available because of environmental concerns.