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- Author:
- Pomerinke, M.A.; Thompson, D.C.; Clason, D.L.
- Source:
- Environmental entomology 1995 v.24 no.6 pp. 1696-1702
- ISSN:
- 0046-225X
- Subject:
- life cycle (organisms); Astragalus mollissimus; Curculionidae; biological development; developmental stages; weed control; biological control; biological control agents; population density; rangelands; New Mexico
- Abstract:
- ... Purple locoweed, Astragalus mollissimus Torrey, a native rangeland weed, is considered one of the most destructive weeds in the western United States. The chemical swainsonine, a secondary plant compound found in A. mollissimus, causes physiological and morphological abnormalities in domestic cattle, sheep, and horses. In 1991, Cleonidius trivittatus (Say), a weevil native to North America, was fo ...
- DOI:
- 10.1093/ee/24.6.1696
-
http://dx.doi.org/10.1093/ee/24.6.1696
- Author:
- Fielding, D.J.; Brusven, M.A.
- Source:
- Environmental entomology 1995 v.24 no.6 pp. 1432-1441
- ISSN:
- 0046-225X
- Subject:
- correlation; rangelands; plant communities; botanical composition; life cycle (organisms); Acrididae; habitats; Idaho
- Abstract:
- ... Grasshopper and plant community relationships in southern Idaho were examined within a life-history context. Plant species composition (by weight) and density and species composition of grasshoppers were estimated at 52 sites in south-central Idaho, representing a range of plant communities from native sagebrush-bunchgrass to exotic annual grasslands. The plant community at each site was evaluated ...
- DOI:
- 10.1093/ee/24.6.1432
-
http://dx.doi.org/10.1093/ee/24.6.1432
- Author:
- Yang, J.; Sadof, C.S.
- Source:
- Environmental entomology 1995 v.24 no.6 pp. 1650-1655
- ISSN:
- 0046-225X
- Subject:
- life tables; colored varieties; reproduction; sex ratio; varietal resistance; Planococcus citri; population growth; mortality; life cycle (organisms); Plectranthus scutellarioides
- Abstract:
- ... Three leaf-color variants of Coleus blumei 'Bellevue' (Bentham) were studied to determine the effects of variegation-induced changes in host-plant quality on life history and population growth of citrus mealybug, Planococcus citri (Risso). Compared with green counterparts, both red- and yellow-variegated plants of C. blumei grew more slowly, had lower rates of photosynthesis, and produced more lea ...
- DOI:
- 10.1093/ee/24.6.1650
-
http://dx.doi.org/10.1093/ee/24.6.1650
- Author:
- Bonato, O.; Mapangou-Divassa, S.; Gutierrez, J.
- Source:
- Environmental entomology 1995 v.24 no.4 pp. 841-845
- ISSN:
- 0046-225X
- Subject:
- life cycle (organisms); Oligonychus gossypii; relative humidity; biological development; longevity; fecundity; mortality; population dynamics; arthropod pests
- Abstract:
- ... Life-history parameters of Mononychellus progresivus Doreste and Oligonychus gossypii (Zacher), 2 major mite pests of cassava in Africa, were determined in the laboratory at 3 constant relative humidities (30, 60, and 90% RH) obtained with saturated salt solutions. Experiments were carried out in airtight boxes placed in an air-conditioned room at 26 +/- 1 degrees C and a photoperiod of 12:12 (L:D ...
- DOI:
- 10.1093/ee/24.4.841
-
http://dx.doi.org/10.1093/ee/24.4.841
- Author:
- Parajulee, M.N.; Phillips, T.W.; Throne, J.E.; Nordheim, E.V.
- Source:
- Environmental entomology 1995 v.24 no.4 pp. 889-897
- ISSN:
- 0046-225X
- Subject:
- relative humidity; ambient temperature; sex ratio; predators; Anthocoridae; nymphs; embryogenesis; life cycle (organisms); mortality
- Abstract:
- ... Life history of immature Lyctocoris campestris (F.), a predator of stored-product insects, was investigated at 17, 21, 25, and 29 degrees C and approximately 43, approximately 58, and approximately 75% RH in the laboratory. Most life history traits of L. campestris were influenced by temperature, but none of the traits was influenced by relative humidity. The egg incubation period was approximatel ...
- DOI:
- 10.1093/ee/24.4.889
-
http://dx.doi.org/10.1093/ee/24.4.889
- Author:
- Ho, C.C.; Lo, K.C.; Chen, W.H.
- Source:
- Environmental entomology 1995 v.24 no.3 pp. 601-607
- ISSN:
- 0046-225X
- Subject:
- geographical distribution; interspecific variation; oviposition; ova; Amblyseius idaeus; host plants; predatory mites; crossing; life cycle (organisms); food consumption; Taiwan
- Abstract:
- ... Female and male Amblyseius longispinosus (Evans) and A. womersleyi (Schicha) were reared in an incubator at 28 degrees C and a photoperiod of 13:11 (L:D) h. They were supplied with eggs of Tetranychus kanzawai Kishida for food. A. longispinosus matured in 5.02 and 5.0 d, and consumed 13.84 and 11.2 spider mites eggs, respectively A. womersleyi matured in 4.92 and 4.67 d, and consumed 15.32 and 11. ...
- DOI:
- 10.1093/ee/24.3.601
-
http://dx.doi.org/10.1093/ee/24.3.601
- Author:
- Phoofolo, M.W.; Obrycki, J.J.
- Source:
- Environmental entomology 1995 v.24 no.3 pp. 581-587
- ISSN:
- 0046-225X
- Subject:
- Coccinella septempunctata; life tables; oviposition; geographical variation; predators; population; life cycle (organisms); Central European region; Iowa; France; Delaware
- Abstract:
- ... Life-history characteristics of four populations of Coccinella septempunctata L. were quantified and compared at 26 degrees C and 18:6 (L:D) h on a diet of pea aphids, Acyrthosiphon pisum (Harris). Populations were from two locations in the United States (Iowa and Delaware) and two locations in Eurasia (France and Ukraine/Moldavia/Crimea). Large intrapopulation variation was observed in preoviposi ...
- DOI:
- 10.1093/ee/24.3.581
-
http://dx.doi.org/10.1093/ee/24.3.581
- Author:
- Hoard, M.W.; Weiss, M.J.
- Source:
- Environmental entomology 1995 v.24 no.3 pp. 564-570
- ISSN:
- 0046-225X
- Subject:
- reproduction; ecotypes; geographical variation; heat sums; diapause; population; biological development; life cycle (organisms); Ostrinia nubilalis; North Dakota
- Abstract:
- ... The postdiapause developmental rates of the European corn borer, Ostrinia nubilalis (Hubner), were investigated using collections of larvae from several selected sites in North Dakota from 1990 to 1992. Significant differences in days to pupation for postdiapausing larvae were found between different geographic locations, and between bivoltine and univoltine populations of the European corn borer ...
- DOI:
- 10.1093/ee/24.3.564
-
http://dx.doi.org/10.1093/ee/24.3.564
- Author:
- Kistler, R.A.
- Source:
- Environmental entomology 1995 v.24 no.3 pp. 663-672
- ISSN:
- 0046-225X
- Subject:
- interspecific variation; air temperature; phenology; desert animals; Bruchidae; Prosopis velutina; life cycle (organisms); population dynamics; Arizona
- Abstract:
- ... The effect that harsh, variable desert temperatures might have on the structure and population dynamics of a guild of Bruchidae (Coleoptera) that feed in the seeds of mesquite, Prosopis velutina Wooten, was examined in a 3-yr field and laboratory study. Metabolic rate, fecundity, longevity, developmental times, survivorship, and body size were measured across the temperature spectrum in which the ...
- DOI:
- 10.1093/ee/24.3.663
-
http://dx.doi.org/10.1093/ee/24.3.663
- Author:
- Voegtlin, D.J.
- Source:
- Environmental entomology 1995 v.24 no.3 pp. 724-729
- ISSN:
- 0046-225X
- Subject:
- life cycle (organisms); Myzus; Lythrum salicaria; weed control; biological control agents; plant development; seedling growth; roots; shoots; dry matter accumulation; food plants; alternative hosts; Indiana; Michigan; Illinois
- Abstract:
- ... The host-alternating life cycle of Myzus lythri, an aphid of European origin that feeds on purple loosestrife (Lythrum salicaria), is detailed. The complex life cycle and low availability of primary host plants are hypothesized as limiting early-season development of aphid populations on purple loosestrife. Experiments were undertaken in 1993 to determine if large populations of this aphid could i ...
- DOI:
- 10.1093/ee/24.3.724
-
http://dx.doi.org/10.1093/ee/24.3.724
- Author:
- Wolfson, J.L.; Murdock, L.L.
- Source:
- Environmental entomology 1995 v.24 no.1 pp. 52-57
- ISSN:
- 0046-225X
- Subject:
- life cycle (organisms); Epilachna varivestis; Phaseolus lunatus; proteinase inhibitors; mortality; reproduction; biological development; population growth; pest resistance
- Abstract:
- ... The effect of consuming low doses of E-64, a cysteine protease inhibitor, on life history parameters of Ephilachna varivestis Mulsant, the Mexican bean beetle, was evaluated in bioassays in which E-64 was applied to lima bean leaves. Mortality, larval growth rates, and adult reproductive patterns were monitored and used to estimate life history parameters. Ingestion of this low dosage of E-64 incr ...
- DOI:
- 10.1093/ee/24.1.52
-
http://dx.doi.org/10.1093/ee/24.1.52