0787 freeing the insects
southern illinois university press education automation freeing the scholar to return to his studies oct 1964
... regenerative cycle of events, the more consumers there are the more the costs are divided and the lower the individual prices The higher the frequency of the consuming the more quickly the capital cost can ... the Northern It has green in the southern tip of South America and some yellow and red There is a little yellow and mild red that belongs to the Southern Hemisphere in Australia Only the southernmost ... look at the colors on the map and compare them with the colors of men’s skins The map temperature colors have to with the radiation, the inhibition of energy from the sun As we get into the great...
- 29
- 239
- 0
the insects an outline of entomology
... promoting the high species richness of phytophagous insects Another explanation for the high species numbers of insects is the role of sexual selection in the diversification of many insects The propensity ... entomologists interested in biodiversity issues (the temperate northern hemisphere) and the centers of richness of the insects themselves (the tropics and southern hemisphere) Studies in tropical American ... controlling insects, but in fact entomology includes many positive aspects of insects because their benefits to the environment outweigh their harm 1.2 THE IMPORTANCE OF INSECTS We should study insects...
- 529
- 1,288
- 0
the insects an outline of entomology
... promoting the high species richness of phytophagous insects Another explanation for the high species numbers of insects is the role of sexual selection in the diversification of many insects The propensity ... entomologists interested in biodiversity issues (the temperate northern hemisphere) and the centers of richness of the insects themselves (the tropics and southern hemisphere) Studies in tropical American ... controlling insects, but in fact entomology includes many positive aspects of insects because their benefits to the environment outweigh their harm 1.2 THE IMPORTANCE OF INSECTS We should study insects...
- 529
- 1,269
- 0
The Insects - Outline of Entomology 3th Edition - Overview ppsx
... Entomology covers not only the classification, evolutionary relationships and natural history of insects, but also how they interact with each other and the environment The effects of insects on us, our ... 50 3.2 The nervous system and co-ordination, 56 3.3 The endocrine system and the function of hormones, 59 3.4 The circulatory system, 61 3.5 The tracheal system and gas exchange, 65 3.6 The gut, ... Class Insecta (true insects) , 184 Further reading, 199 INSECT BIOGEOGRAPHY AND EVOLUTION, 201 8.1 Insect biogeography, 202 8.2 The antiquity of insects, 203 8.3 Were the first insects aquatic or...
- 18
- 442
- 0
The Insects - Outline of Entomology 3th Edition - Chapter 1 ppt
... promoting the high species richness of phytophagous insects Another explanation for the high species numbers of insects is the role of sexual selection in the diversification of many insects The propensity ... entomologists interested in biodiversity issues (the temperate northern hemisphere) and the centers of richness of the insects themselves (the tropics and southern hemisphere) Studies in tropical American ... controlling insects, but in fact entomology includes many positive aspects of insects because their benefits to the environment outweigh their harm 1.2 THE IMPORTANCE OF INSECTS We should study insects...
- 20
- 747
- 0
The Insects - Outline of Entomology 3th Edition - Chapter 2 pot
... each side of it The evolutionary fate of the gonapophyses and the origin of the phallomeres are uncertain In the “higher” insects – the hemipteroids and the holometabolous orders – the homologies ... discernible on the surface of the cranium at the points where the tentorial arms invaginate These pits and the sutures may provide prominent landmarks on the head but usually they bear little ... insects, such as the earwig, the labium attaches to the ventral surface of the head via a ventromedial sclerotized plate called the gula (Fig 2.10) There are two main parts to the labium: the proximal...
- 28
- 682
- 0
The Insects - Outline of Entomology 3th Edition - Chapter 3 potx
... with the fore wings The knob, which is heavier than the rest of the organ, tends to keep the halteres beating in one plane When the fly alters direction, whether voluntarily or otherwise, the haltere ... is the colon, and the expanded posterior section is the rectum (Fig 3.13) In many terrestrial insects the rectum is the only site of water and solute resorption from the excreta, but in other insects, ... pumps (Fig 3.9c) The muscular pumps are termed accessory pulsatile organs and occur at the base of the antennae, at the base of the wings, and sometimes in the legs Furthermore, the antennal pulsatile...
- 36
- 538
- 3
The Insects - Outline of Entomology 3th Edition - Chapter 4 ppsx
... the anterior and the other half with the posterior tympanal membrane The primary route of sound to the tympanal organ is usually from the acoustic spiracle and along the acoustic trachea to the ... sensory cells lying in the hemocoel, connected at one end to the inner cuticle of the tibia, and at the other to the trachea There are subgenual organs within all legs: the organs of each pair ... environmental markers rather than audible cues (section 5.1); they are insensitive to the wing tone of males of their species Neither can the male detect the wing tone of immature females – the Johnson’s...
- 28
- 1,030
- 1
The Insects - Outline of Entomology 3th Edition - Chapter 5 pot
... insemination) into the female’s bursa (genital pouch); the sperm may be discharged from the spermatophore to the cavity of the bursa, instead of into the duct that leads to the spermatheca, resulting ... cells produce the eggshell and the surface sculpturing of the chorion usually reflects the outline of these cells Typically, the eggs are yolk-rich and thus large relative to the size of the adult ... Often these segments can be protracted into a telescopic tube in which the opening of the egg passage is close to the distal end The ovipositor or the modified end of the abdomen enables the insect...
- 28
- 515
- 1
The Insects - Outline of Entomology 3th Edition - Chapter 6 pptx
... in insects is the result of the large amount of yolk in the egg The blastoderm usually gives rise to all the cells of the larval body, whereas the central yolky 145 part of the egg provides the ... discuss the pattern of growth from egg to adult – the ontogeny – and life histories of insects The various growth phases from the egg, through immature development, to the emergence of the adult ... structure but they follow the same order on the chromosome, and their temporal order of expression and anterior border of expression along the body correspond to their chromosomal position In the lower...
- 36
- 521
- 2
The Insects - Outline of Entomology 3th Edition - Chapter 7 pdf
... origin to the rest of the Hexapoda (see Box 7.1) If Collembola belong to the Hexapoda, then they form either the sister group to Protura comprising the clade Ellipura or alone form the sister ... of the Hexapoda to other Arthropoda The immense phylum Arthropoda, the joint-legged animals, includes several major lineages: the myriapods (centipedes, millipedes, and their relatives), the ... with the long and strong hind legs, which power the prodigious leaps made by these insects After early suggestions that the fleas arose from a mecopteran, the weight of evidence suggested they...
- 24
- 540
- 0
The Insects - Outline of Entomology 3th Edition - Chapter 9 ppt
... carried on the leaf fragment When the material reaches the nest, other individuals lick any waxy cuticle from the leaves and macerate the plant tissue with their mandibles The mash is then TIC09 ... in the succession vary according to whether they are upon or within the carrion, in the substrate immediately below the corpse, or in the soil at an intermediate distance below or away from the ... monkeys) from the foliage, form it into balls and push the balls over the edge of leaves If the balls catch on the foliage below, then the dung-rolling activity continues until the ground is...
- 22
- 1,096
- 0
The Insects - Outline of Entomology 3th Edition - Chapter 10 pdf
... explanations for the failure of insects to diversify in the sea must be sought elsewhere The most likely explanation is that the insects originated well after other invertebrates, such as the Crustacea ... 261 Further reading into the sea and the tide and oceanic currents aid dispersal Notably, of the few successful marine insects, many have modified wings or have lost them altogether FURTHER READING ... the rectum (Anisoptera; Fig 3.11f ) Zygopteran nymphs (such as the lestid illustrated on the lower right, after CSIRO 1970) are slender, with the head wider than the thorax, and the apex of the...
- 24
- 611
- 3
The Insects - Outline of Entomology 3th Edition - Chapter 11 ppsx
... caused by chewing insects These proteins can significantly reduce the palatability of the plant to some insects In other plants, the production of phenolic compounds may be increased, either for short ... is believed to be beneficial to the insects, rather than a defensive response of the plant to insect attack All gall insects derive their food from the tissues of the gall and also some shelter ... tested, either inside or outside the country of introduction and, in the former case, always in quarantine The results of these tests will determine whether the regulatory authorities approve the importation...
- 36
- 549
- 0
The Insects - Outline of Entomology 3th Edition - Chapter 12 pps
... most insects, the highest mortality occurs in the egg and first instar, and many insects tend these stages until the more mature larvae or nymphs can better fend for themselves The orders of insects ... within them, the caste is determined neither by the egg laid by the queen, nor by the cell itself, but by food supplied by workers to the developing larva (Fig 12.5) The type of cell guides the ... elevated by about the width of the queen’s body above the cells, allowing the queen to rest there, curled around the pillar The developing colony grows by the addition of further cells, now hexagonal...
- 28
- 471
- 1
The Insects - Outline of Entomology 3th Edition - Chapter 13 ppsx
... i.e the femur against the tibia, or the tibia against the tarsus As well as spines, there may be elongate spurs on the apex of the tibia, and the apical claws may be strongly developed on the ... be identified: • the stronger the life-history integration with that of the host, the greater the likelihood of monoxeny; • the greater the vagility (mobility) of the parasite, the more likely ... remarkably few insect parasites of other insects, or indeed, of other arthropods The largest group of endoparasitic insects using other insects as hosts belongs to the Strepsiptera, an order comprising...
- 28
- 809
- 1
The Insects - Outline of Entomology 3th Edition - Chapter 14 ppsx
... threatened, the beetle contracts the reservoir, and releases the contents through the newly opened inlet valve into the reaction chamber Here an exothermic reaction takes place, resulting in the liberation ... of the others In Batesian mimicry an aposematic inedible model has an edible mimic The model suffers by the mimic’s presence because the aposematic signal aimed at the observer is diluted as the ... recognize the mimic as edible These Batesian mimicry relationships hold up only if the mimic remains relatively rare However, should the model decline or the mimic become abundant, then the protection...
- 20
- 555
- 1
The Insects - Outline of Entomology 3th Edition - Chapter 15 pps
... have multiplied in the louse epithelium, they rupture the cells and are voided in the feces Because the louse dies, the rickettsias are demonstrated to be rather poorly adapted to the louse host ... the hemocoel into the mosquito head where, when the mosquito next feeds, they rupture the labella and invade the host through the puncture of the mosquito bite In the human host the larvae mature ... the vector mosquito The microfilariae move from the mosquito gut through the hemocoel into the flight muscles, where they mature into an infective larva The 1.5 mm long larvae migrate through the...
- 20
- 420
- 1
The Insects - Outline of Entomology 3th Edition - Chapter 16 pps
... enters the cell and moves to the nucleus in which the viral DNA replicates The newly synthesized virions then invade the hemocoel of the caterpillar where viral inclusion bodies are formed in other ... infected when they ingest the inclusion bodies with their food Inclusion bodies dissolve in the high pH of the insect midgut and release the virion(s) (Fig 16.4) These infect the gut epithelial cells ... nematodes; the spiracles and anus are other sites of entry Viruses and protists also can infect insects via the female ovipositor or during the egg stage The microorganisms then multiply within the...
- 32
- 537
- 1
The Insects - Outline of Entomology 3th Edition - Chapter 17 docx
... from the person mounting For most very small insects, the tip of the point should contact the insect on the vertical side of the thorax below the wings Ants are glued to the upper apex of the ... insects The net bag should always be deeper than the diameter so that the insects caught may be trapped in the bag when the net is twisted over Nets can be used to capture insects whilst on the ... insect is then glued to the tip of the point using a minute quantity of water-soluble glue, for example based on gum arabic The head of the insect should be to the right when the apex of the point...
- 18
- 377
- 1
Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các mục tiêu của chương trình xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct hệ số công suất cosp fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu chỉ tiêu chất lượng 9 tr 25