By W. Danthanarayana (auth.), Professor Dr. Wijesiri Danthanarayana (eds.)
Read or Download Insect Flight: Dispersal and Migration PDF
Similar nonfiction_8 books
One of many actions of the Ettore Majorana Centre for ,Scientific tradition is the overseas complex learn classes on clinical subject matters that are of specific relevance at the present time. The Centre is found in Erice, a mountain city within the province of Trapani in Sicily. at the present over seventy colleges of the Centre are energetic, conserving annual or biennial classes, in order that approximately 40 classes are geared up every year.
For the final ten years, there was an ever-increasing information that fluid movement and delivery tactics prompted through buoyancy are of curiosity in lots of fields of technology and know-how. particularly, loads of learn has been dedicated to the oscillatory behaviour of steel melts (low-Pr fluids) end result of the very an important effect of such move oscillations at the caliber of turning out to be crystals, semi-conductors or metal alloys, for complicated know-how functions.
Clusters and superclusters of galaxies are the most important items within the Universe. they've been the topic of extreme observational reviews at a number of wavelengths, from radio to X-ray which has provoked a lot theoretical debate and complex our knowing of the new evolution of the large-scale constitution of the Universe.
- Locomotion and Energetics in Arthropods
- Progress in Nitrogen Ceramics
- Operational Efficiency in Forestry: Vol. 2: Practice
- Bibliographic Atlas of Protein Spectra in the Ultraviolet and Visible Regions
- Mass Spectrometry in Biomolecular Sciences
- Combustion in High-Speed Flows
Extra resources for Insect Flight: Dispersal and Migration
The increased flight behavior of JHM-treated males occurred without a subsequent depression in flight activity (Fig. 78), suggesting that in the absence of ovaries, flight stimulation by JH may be more prolonged. This is similar to the effect of JH in male and ovariectomized female Oncopeltus [asciatus (Rankin 1974). As with O. [asciatus, precocene treatment inhibited both oogenesis and flight behavior in H. convergens, and JH replacement therapy restored both (Fig. 8). We have not investigated the possible involvement of the corpus cardiacum in flight in this species, nor have we pursued the mechanism of the JH effect on flight.
Similarly CC extracts injected into precocenetreated animals who were displaying no long-duration flight activity had no restorative effect on flight (Rankin and Riddiford 1977) nor did it elevate hemolymph lipid levels, while JH injection both stimulated flight behavior and caused a rapid increase in hemolymph lipid (Rankin, unpublished results). 2 Hippodamia convergens Another insect in which the role of JH in migratory flight has been examined is the ladybeetle, Hippodamia convergens. A. Rankin et al.
Genetic aspects. Biochem Genet 7 :127 -138 Palmer JO (1985) Ecological genetics of wing length, flight propensity, and early fecundity in a migratory insect. In: Rankin MA (ed) Migration: mechanisms and adaptive significance. Contrib Mar Sci (Suppl) 27 :653 -663 Parker GA, Stuart RA (1976) Animal behavior as a strategy optimizer: evolution of resource assessment strategies and optimal emigration thresholds. Am Nat 110:1055 -1076 Rabb RL, Stinner RE (1978) The role of insect dispersal and migration in population processes.