Biology of Blood-Sucking Insects by M. J. Lehane (auth.)

By M. J. Lehane (auth.)

Blood-sucking bugs are the vectors of the various such a lot debilitating parasites of guy and his domesticated animals. they also are of substantial direct price to the rural via losses in milk and meat yields, and during harm to hides and wool, and so forth. So, now not strangely, many books of clinical and veterinary entomology were written. every one of these texts are equipped taxonomically giving the main points of the life-cycles, bionomics, dating to affliction and monetary value of every of the insect teams in flip. i've got taken a unique technique. This publication is subject led and goals to debate the organic topics that are universal within the lives of blood-sucking bugs. to do that i've got targeting these features of the biology of those interesting bugs that have been in actual fact converted ultimately to fit the blood-sucking behavior. for instance, i've got mentioned feeding and digestion in a few aspect simply because feeding on blood offers bugs with designated difficulties, yet i haven't mentioned respiratory since it isn't really affected in any specific manner through haematophagy. clearly there's a subjective point within the selection of subject matters for dialogue and the load given to every. i'm hoping that i haven't allow my enthusiasm for specific matters get the higher of me on too many events and that the subject matter achieves an total balance.

Show description

Read or Download Biology of Blood-Sucking Insects PDF

Best entomology books

Insect Ecology, Second Edition: An Ecosystem Approach

Dr. Timothy Schowalter has succeeded in making a precise, up to date remedy of insect ecology. This revised and improved textual content appears at how bugs adapt to environmental stipulations whereas conserving the facility to considerably adjust their surroundings. It covers a number of issues- from person bugs that reply to neighborhood adjustments within the atmosphere and impact source distribution, to whole insect groups that experience the potential to change surroundings stipulations.

The Millipedes (Diplopoda) of the Asian Part of Russia (Pensoft Series Faunistica)

It is a entire synopsis of the millipede fauna of Asian Russia, the enormous Palaearctic quarter extending from the Ural Mountains within the west to the Pacific coast and adjoining islands within the east. The fauna, which has no fewer than 103 species, 39 genera, 17 households, and 5 orders, is reviewed and summarized.

Biotic Stress and Yield Loss

Figuring out biotic rigidity and plant yield allows the sensible improvement of monetary choice making, an instrumental a part of built-in Pest administration. and additional, the impression of biotic damage on plant yield bears without delay at the easy organic questions of inhabitants dynamics, lifestyles background thoughts, group constitution, plant-stressor coevolution, and atmosphere nutrient biking.

The Ecology of Cyanobacteria: Their Diversity in Time and Space

Cyanobacteria make a tremendous contribution to global photosynthesis and nitrogen fixation, yet also are infamous for inflicting nuisances similar to dense and infrequently poisonous `blooms' in lakes and the sea. The Ecologyof Cyanobacteria: Their variety in Time and area is the 1st e-book to concentration completely on ecological facets of those organisms.

Additional resources for Biology of Blood-Sucking Insects

Example text

Odour is probably most important in orientation for night-feeding forms living in open situations. Olfactory stimuli implicated in host location to date include carbon dioxide, lactic acid, acetone, butanone, octenol and phenolic components of urine. It is generally accepted that carbon dioxide is involved in both the activation and orientation of virtually all blood-sucking insects. 3 The effect of varying the emission rate of carbon dioxide on its drawing power for mosquitoes has been measured by various authors under field conditions.

Of the two species, An. melas feeds more readily and regularly on man and is therefore the more important vector of both malaria and filariasis, particularly in coastal areas where alternative hosts to man are scarce. So, even with six very closely related insects innate host preference can vary greatly, and, as mentioned previously, despite these preferences host choice is ultimately dependent upon local circumstance and in particular the proportions of available hosts. 24 CHAPTER FOUR Location of the host The difficulty hungry blood-sucking insects have in locating their next blood meal depends upon the closeness of their association with the host.

1952). The physiological consequences of moving on to an unusual host can have a less obvious, but a nevertheless damaging, effect on the success of the insect. Several experimental studies have shown that the fecundity of a blood-sucking insect depends on the host on which the insect is fed. Reduced fecundity can be generated by a reduced rate of development of the insect, reduced longevity (Fig. 1), a skewed sex ratio, or reduced food intake or rate of digestion (Nelson et al. 1975, Rothschild 1975).

Download PDF sample

Rated 4.98 of 5 – based on 44 votes