University of California

California insects: Survey provides accurate data for study of state's insect problems


Paul D. Hurd

Author Affiliations

Paul D. Hurd, Jr., is Junior Entomologist, University of California, Berkeley.

Publication Information

Hilgardia 8(5):3-3. DOI:10.3733/ca.v008n05p3. May 1954.

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Insects of economic importance in California–whether native or introduced–have often been studied with almost complete disregard for their relationship to other insect species, largely because of the immediacy of a specific problem.

Hurd P. 1954. California insects: Survey provides accurate data for study of state's insect problems. Hilgardia 8(5):3-3. DOI:10.3733/ca.v008n05p3

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Ground-water overdraft: Balance between recharge andraft on ground-water required to correct overdraft in Antelope Valley

Alfalfa and water table levels: Studies on effect of alfalfa on water table indicate need for close control of irrigation

Leafy seviiiano olive cuttings: Rooting readily obtained under mist humidification produced satisfactory trees in experiment at Davis

Rooting paradox walnut hybrids: Promising method for vegetative reproduction of walnut hybrids developed by trench layering

Aphid resistant to parathion: Strain of walnut aphid in Sun Jose area found to have developed definite resistance to parathion

Verticillium in chrysanthemum: Costly disease controlled by practice of culture-indexing and soil fumigation with chloropicrin

Field corn mechanization tests: Low moisture corn harvested with high efficiency in Antelope Valley tests with mechanical pickers

Fluoride lniury to citrus: Effect of air pollutant investigated to learn extent of contamination by component of smog

Lindane repellent to pheasants: Seed grain treated with high levels of Iindane apparently avoided in favor of untreated grain

Earth materials: Growth trials show no benefit to chicks on practical starting ration

Infectious bronchitis: Vaccines released for growing birds not yet tested for laying hens

Safflower meal digestion tests: Lambs used in digestion trials with decorticated seed meal to test product as feed for livestock

Principles governing the reclamation of alkali soils

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