Utilization of Food Plants by the Migratory Grasshopper, Melanoplus Bilituratus (Walker)1 (Orthoptera: Acrididae), with Some Observations on the Nutritional Value of the Plants2

Smith, D. S.

doi:10.1093/aesa/52.6.674

Cited by 59 publications

(25 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…These variations in ECD found during the experimental period in all treatments including control were in accordance with the results reported by (Smith 1959), who suggested that the ECD rises early in the nymphal stage of Melanoplus bilituratus (Walker) and falls near the end of the stage.…”

Section: Efficiency Of Conversion Of Digested Foodsupporting

confidence: 92%

Role of Challenger pesticide and plant extracts on some physiological parameters of the cotton leafworm,Spodoptera littoralis(Boisd.)

Ebeid

Sammour

Zohdy

2014

Archives Of Phytopathology And Plant Protection

View full text Add to dashboard Cite

Fourth instar larvae of cotton leafworm, Spodoptera littoralis (Boisd.), fed on castor bean leaves treated with sub-lethal concentrations of both alcohol and hexane extracts of Egyptian conyza and Challenger 36% SC insecticide as well to study their effects on mortality, food consumption and utilisation of food. The tested insecticides exhibited relatively high mortality in alcoholic extract of Egyptian conyza (5.0% concentration) followed by Challenger (1.0% concentration). Results showed a slight reduction in the consumption index for larvae treated with both alcoholic extract and Challenger at low concentrations, while hexane extract (5%) recorded significant increase. The approximate digestibility (AD) was reduced in all treatments of alcoholic extract and the relative growth rate insignificantly decreased at 5% concentration, whereas AD increased for larvae fed on Challenger 0.25% concentration. The lower concentration of alcoholic extract of conyza and all treatments of Challenger pesticides induced insignificant decrease in the efficiency of conversion of the ingested food, while hexane extract exhibited insignificant increase. Challenger at all tested concentrations achieved insignificant decrease in the efficiency of the conversion of digested food with respect to the control.

show abstract

Section: Efficiency Of Conversion Of Digested Foodsupporting

confidence: 92%

Role of Challenger pesticide and plant extracts on some physiological parameters of the cotton leafworm,Spodoptera littoralis(Boisd.)

Ebeid

Sammour

Zohdy

2014

Archives Of Phytopathology And Plant Protection

View full text Add to dashboard Cite

show abstract

“…To compare developmental rates of the Alaskan population of M. sanguinipes to those from lower latitudes, the Þrst equation was used to model data from previously published reports of nymphal developmental times for M. sanguinipes (Parker 1930, Shotwell 1941, Brett 1947, Pfadt 1949, Smith 1959, Putnam 1963, Anderson et al 1979, Kemp and Dennis 1989, Dingle et al 1990.) All equations were Þt using the GaussÐ Newton least-squares method (PROC NLIN, SAS Institute 1996).…”

Section: Methodsmentioning

confidence: 99%

Developmental Time of <I>Melanoplus sanguinipes</I> (Orthoptera: Acrididae) at High Latitudes

Fielding¹

2004

View full text Add to dashboard Cite

“…If expressed as an energetic efficiency, these values would undoubtedly be higher. Smith (1959) reported that the grasshopper Melanoplus bilituratus feeding upon cereal grasses converted from 9 to 12% of the ingested dry matter into body tissue; net production efficiencies ranged from 27 to 32%. The willow-feeding beetle Chrysomela knabi has a gross weight conversion of 12% and a net production efficiency of 28% (Crossley 1966).…”

Section: Late Springmentioning

confidence: 99%

Radioisotope Turnover and Energy Flow in Terrestial Isopod Populations

Reichle¹

1967

Ecology

View full text Add to dashboard Cite

Radiocesium turnover rates in terrestrial isopod populations were used to measure food consumption and metabolism under natural and laboratory—simulated field conditions. Four old—field and forest species were studied: Armadillidium vulgare (Latreille), Armadillidium nasatum Budde—Lund, Cylisticus convexus (DeGeer), and Metoponorthus pruinosus (Brandt). Uptake, body burden equilibria, and elimination rates for 134Cs were related to environmental temperatures (Q10°2). dietary supplements of stable Na, K, and Cs salts produced no effect upon 134Cs elimination rates. Assimilation fractions from food were 60 to 64% for digestible dry matter, 70 to 73% for caloric intake, and 70 to 87% for radiocesium. Body equilibrium concentrations and biological half—lives of radiocesium in each species permitted estimates of food consumption comparable to gravimetric determinations. Food intake varied between different species and ranged from 1.5 to 3.5% of dry body weight per day. Bomb calorimetry and respirometry measurements were used to partition the total energy budgets, caloric inputs required for maintenance, production, and growth were determined. Radiocesium elimination rates were correlated with the metabolic rates of individual species, and radionuclide turnover rates in tagged individuals were demonstrated to be a practicable means of determining the activity and metabolism of species in the natural habitats.

show abstract

Utilization of Food Plants by the Migratory Grasshopper, Melanoplus Bilituratus (Walker)1 (Orthoptera: Acrididae), with Some Observations on the Nutritional Value of the Plants2

Cited by 59 publications

References 0 publications

Role of Challenger pesticide and plant extracts on some physiological parameters of the cotton leafworm,Spodoptera littoralis(Boisd.)

Role of Challenger pesticide and plant extracts on some physiological parameters of the cotton leafworm,Spodoptera littoralis(Boisd.)

Developmental Time of <I>Melanoplus sanguinipes</I> (Orthoptera: Acrididae) at High Latitudes

Radioisotope Turnover and Energy Flow in Terrestial Isopod Populations

Contact Info

Product

Resources

About