Heliothis zea

A feeding experiment was conducted using field concentrations of the aikaloidal fraction and the total triterpenoid glycoside fraction of thirty related species of columnar cacti (most in the Pachycereeae). Survivorship was measured as + or - and indicates successful development, pupation and emergence after eggs were laid by several d, melanogaster or d. mojavensis females. The latter species is a desert fly known to specialize on several species of Pachycereeae the former is a nonspecialized, nondesert species. Heliothis zea larvae were also used in a separate bioassay of toxicity where compounds were added to commercial diet. [Pg.283]

Limonoid Insect Species Pectinophora Spodoptera gossypiella frugiperda Heliothis zea... [Pg.408]

The tubingensins A (379) and B (380) showed activity against the widespread crop pest Heliothis zea, and display in vitro anti-viral activity against herpes simplex virus type 1 with IC50 values of 8 and 9 pg/mL, respectively (346) (see Scheme 2.100). Some bis-basic ethers of carbazoles are anti-viral. When tested against Encephala myocarditis viral infection, several N-ethyl substituted bis-basic carbazoles of the general formula 490 were shown to be active (448) (Scheme 4.9). [Pg.189]

The effects of selected fatty acid (Cio-Cia) methyl esters on the pink bollworm (Pectinophora qossypiella). bollworm (Heliothis zea) and tobacco budworm (Heliothis virescens) were determined, and a number of cyclopropyl, olefinic and acetylenic methyl esters were also tested (115). Methyl (Z,Z)-deca-2,8-diene-4,6-diynoate (matricaria ester) was lethal at low concentrations to all three insects. This last ester was isolated from Conyza canadensis but is found in vegetative matter of many plants of the Asteraceae. [Pg.319]

The wild tomato, Lycopersicon hirsutum f, glabratum is covered with trichomes which contain 2-tridecanone. The level of this compound is much lower in the domesticated tomato, U esculentum. This exudate proved to be toxic to Manduca sexta (tobacco hornworm) and to Heliothis zea (121). The density of glandular trichomes, which secrete 2-tridecanone, was influenced... [Pg.320]

Nordlund, D. A. and Sauls, . E. (1981). Kairomones and their use for management of entomophagous insects. 11. Effect of host plants onkairomonal activity of frass from Heliothis zea (Lepidoptera, Noctuidae) larvae for the parasitoid Microplitis croceipes (Hymenoptera, Braconidae). Journal of Chemical Ecology 7 1057-1061. [Pg.68]

Lewis, W. J., Nordlund, D. A., Gueldner, R.C., Teal, PE. A. and Tumlinson, J.H. (1982). Kairomones and their use for management of entomaphagous insects. XIII. Kairomonal activity for Trichogramma spp. of abdominal tips, excretion, and a synthetic sex pheromone blend of Heliothis zea (Boddie) moths. Journal of Chemical Ecology 8 1323-1331. [Pg.327]

Noldus, L. P. J. J. (1988). Response of the egg parasitoid Trichogramma pretiosum to the sex pheromone of its host Heliothis zea. Entomologia Experimentalis etApplicata 48 293-300. [Pg.329]

B Tafia. 133 npHBPAHTcn pacxoA npenapaTa [14] (b cpaBHeHHH c ApyrHMH HHceKTHuHAaMH) ajih yHHHTOHceHHH Heliothis zea h Helio-this virescens. [Pg.105]

Teal P. E. A. and Tumlinson J. H. (1988) Properties of cuticular oxidases used for sex pheromone biosynthesis by Heliothis zea. J. Chem. Ecol. 14, 2131-2145. [Pg.80]

Pope M. M., Gaston L. K. and Baker T. C. (1984) Composition, quantification, and periodicity of sex pheromone volatiles from individual Heliothis zea females. Journal of Insect Physiology 30, 943-945. [Pg.105]

Aubrey J. G., Boudreaux H. B., GrodnerM. L. and Hammond A. M. (1983) Sex pheromone-producing cells and their associated cuticle in female Heliothis zea and H. virescens (Lepidoptera Noctuidae). Ann. Entomol. Soc. Am. 76, 343-348. [Pg.126]

Raina A. K., Bird T. G. and Giebultowicz J. M. (1990) Receptivity terminating factor in Heliothis zea and its interaction with PBAN. In Insect Neurochemistry and Neurophysiology, eds A. B. Borkovec and E. P. Masler, pp. 299-302. Humana Press Inc., Clifton Springs, NJ. [Pg.134]

Jacquin E. (1992) Regulation neuroendocrine de la production des pheromones sexuelles femelles chez deux noctuelles, Mamestra brassicae L. et Heliothis zea Boddie (Lepidopteres), 131 pp. These de 1 INA-PG. [Pg.534]

Elam P, Vail PV, Schreiber F (1990), Infectivity of Autographa californica nuclear polyhedrosis virus extracted with digestive fluids of Heliothis zea, Estigmene acrea, and carbonate solutions,]. Invertebr. Pathol. 55 278-283. [Pg.471]

McIntosh AH, Ignoffo CM, Carlo M (1988), Effect of larval extract and protease K on the in vitro infectivity of Heliothis zea nonoccluded and alkali-liberated virions, Appl. Ent. Zool. 23 175-180. [Pg.473]

Gallardo, F., Boethel, D. J., Fuxa, J. R. and Richter, A. 1990. Susceptibility of Heliothis zea larvae Nomuraea rileyi (Farlow) Samson. Effects of tomatine at the third trophic level. J. Chem. Ecol. 16, 1751-1759... [Pg.193]

Anthonomus grandis Heliothis zea viresoens Hyp era postiea Diabrotioa spp. [Pg.39]

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