On the Parasites and Predators of the Cockroach. I.—Tetrastichus hagenowii (Ratz.)

1955 ◽  
Vol 46 (1) ◽  
pp. 137-147 ◽  
Author(s):  
Ewen Cameron

In this paper the cockroach, a general name used here to include the commoner species of Periplaneta, Blatta and Blattella, etc., is approached from an economic and medical point of view. Special emphasis is placed on the possibilities of its control by biological methods, and to this end the whole field of its inter-relationships with other organisms in various parts of the world has been carefully surveyed. As a result some 73 parasites, predators and symbionts from such widely diverse groups as the Protozoa, Nematoda, Insecta, Arachnida, the Algae and Bacteria have been reviewed and classified.The more important parasites, some 25 in number, have been placed along with the chief predators in a group (A) by themselves. Most of the former are members of the Hymenoptera-Parasitica, the more prominent being the Eulophid, Tetrastichus hagenowii (Ratz.), and the Evaniid, Evania appendigaster L., with six of its congeners. Amongst the predators of this group, certain Sphecoid wasps of the genus Ampulex, represented by seven distinct species, take pride of place. In the second big division (B) the individual species are mostly members of the Protozoa, with Endamoeba as a prominent genus, and of the Nematoda, with several genera, most of them in the Oxyuroidea.The present paper, which is intended to serve as the introductory one of a series on the natural enemies of the cockroach, deals in detail with a very important parasite, namely the Eulophid, Tetrastichus hagenowii.

2010 ◽  
Vol 64 (1-2) ◽  
pp. 143-149
Author(s):  
Silvestra Kobal

Doctors and veterinarians in many countries of the world have an opportunity to select between allopathic or homeopathic drugs. The selection of an appropriate method for medical treatment should be performed from the individual point of view. .


لارك ◽  
2019 ◽  
Vol 1 (20) ◽  
pp. 30-40
Author(s):  
Sanaa Lazim Hassan

Sam Shepard is one of the controversial modern American playwrights who wrote about issues that are concerned with the individual in America rather than the institution In his theatre, the audience expects to see everything that concerns itself with the western culture and ignores that which is global. He is very much interested in the inner landscape of America rather than its position as the leader of the world. Thus, in his drama he preaches such ideology urging the US Administration to focus the attention on the American welfare. The research attempts an analysis on his play The States of Shock using the New Historicism approach through studying the writer’s point of view concerning the craft of war. Modern politics has been very influential on both the social as well as the literary scene. Wars, whether launched or were only loomed at, has been considered the most controversial subject about which plays, poems, and books were written. During the late 1980s and early 1990s, writers


2019 ◽  
Vol 3 (I) ◽  
pp. 4-15
Author(s):  
Надія ГОЛІВЕР

The article is devoted to the problem of formation of creative abilities and cognitive interests of students. The main directions of development of the creative person according to the social needs of the present are considered. It is noted that creative activity becomes a form of knowledge of the material-objective world; identifies personality possibilities, new ways of one’s personal development. Therefore, the problem of developing the creative abilities of students in the course of educational and cognitive activity is of an exceptional relevance. The author believes that influencing the organization of creative activity is possible only under certain conditions, in particular: to conduct classes in an atmosphere of mutual understanding and co-creation, perceiving each student as a person; to give preference to the dialogical form of conducting classes, when students have an opportunity: to think independently, to make suggestions, to defend their own point of view, presenting their own arguments; it is advisable to create situations of choice at classes and to enable students to carry it out. The author notes that the observance of certain organizational and methodological conditions can significantly contribute to the development of creative potential of students, namely: the creative vision of the world through the systematic organization of work with students; development of creative values through the proper level of teacher's teaching skills; deepening the perception of the world picture through the integration of various types of students’ creativity, works of art and their figurative reproduction in their own creative activity; individual peculiarities of perception and emotional attitude through the use of the educational potential of the family, organization of creative activity. When performing creative tasks the individual characteristics of students to select the material of the appropriate level of complexity must be taken into account. The article examines the examples of students' creativity during the European Cultures Festival, debates and clubs on the basis of the Kryvyi Rih National University.


2019 ◽  
pp. 63-85
Author(s):  
J.P.S. Uberoi

This chapter presents a discussion of international intellectual trends in the social sciences, theoretical and empirical studies in India, the question of independence of mind or home rule in intellectual institutions. Following the swarajist project outlined earlier of viewing Europe and its systems of knowledge and practices from an independent Indian point of view, this chapter is in effect a research outline for a new structural sociology in India. We are introduced to structuralism as it exists in the world, its scope and definition and as a methodology for the social sciences. This is followed by the approach to structuralism as scientific theory, method and as philosophical world view. Finally discusses are the principles of structural analysis, structuralism in language, literature and culture, in social structure, with regard to society and the individual, religion, philosophy, politics, sociology and social-anthropology.


Author(s):  
Татьяна Черкашина ◽  
Tatiana Cherkashina ◽  
Н. Новикова ◽  
N. Novikova ◽  
О. Трубина ◽  
...  

The article considers the conceptualization of the world from the point of view of its methodological paradigm assessment in the context of the globalizing world. A retrospective analysis of the relationship between language and human speech activity is given. The authors explain the role of language as a socio-cultural phenomenon in the formation of worldview systems that develop in the consciousness with the help of minimal units of human experience in their ideal meaningful representation in special concepts, which allows the individual to think within the boundaries of a certain linguistic picture of the world. Analyzes the problems of the functioning of communicative norms with regard to the hierarchy of the spiritual representations of the world. The article attempts to consider the impact of the “blurring” of the information boundaries of the globalizing world on the cognitive abilities of the individual in the nomination, qualification of the subject, phenomenon, process.


1950 ◽  
Vol 44 (1) ◽  
pp. 143-149
Author(s):  
W. Rex Crawford

The only words in the title of this symposium which do not cause difficulty are “of” and “in,” since even Latin America is a “nomer” that many protest is a “misnomer,” for some parts of the region southeast of the U.S.A., and “pathology” and “democracy” can get into water as hot and deep as any that lies under the thin ice over which the social sciences skate. The very lumping together in our discussion of twenty republics varying as they do in Latin America is a procedure of doubtful accuracy, and one which at first encounter arouses the ire of any good nationalist in these countries. The term “pathological” suggests too strongly a complacent superior attitude on our own part that may befit the propagandist or the naive and uninformed man on the street, but not the social scientist. The world does not fall so neatly into the patterns of perfect democracy and the outer darkness as Mr. Churchill has supposed. Can we not accept a certain relativity in these matters and remember the large-sized mote in our own eye?With the struggle of almost innumerable thinkers to define the direction and goal, we are surely familiar. The writer has no intention of assembling all the definitions available, for if they were all assembled, sociologists might lay the emphasis not upon forms and constitutions so much as upon something broader that earlier theologians would have called men's will and men's love. Since the development of “Mr. Tylor's science,” cultural anthropology, we would be more likely to say that the legal arrangements grow out of and express the culture; that back of them lies a slow secular growth of the idea that personality, the freedom and full development of the individual are ultimate values, not to be sacrificed to the state; that power may be necessary for survival, and that unity or consensus or conformity may be necessary to power, but that something like Albert Schweitzer's “reverence for life” is a deeper principle. These things are no sooner said than we realize that we often sin against the ideals we cherish and fear the freedom to which we give lip-service. The practice falls far short of the preaching.


1937 ◽  
Vol 69 (8) ◽  
pp. 177-185 ◽  
Author(s):  
J. McDunnough

The speciles of the laudabilis group, formerly included in the Hadenine genus Polia but now placed in the recently erected genus Lacinipolia McD., have always proved more or less of a stumbling block to taxonomists. Variation in the individual species, combined at times with a certain amount of sex-dimorphism, has been partially responsible for the confusion, which of late years has been increased by the addition of certain of Strand's names, based on Hampson's so-called “aberrations,” and other names proposed in a varietal sense by Draudt for Mexican forms in the American Noctuid portion of Seitz' Macrolepidoptera of the World.


Author(s):  
Anastasiia Plakhtii

The purpose of this article is to analyze the lexical means of verbalization of the subconcept “THE BRITISH” in the Russian belles-lettres. The problem of national identity is closely related to the problem of national stereotype. The stereotype, including the national one, is closely related to the linguistic factor and has a discursive nature. According to S. Filyushkina, the national stereotype also creates its own special, verbalized reality, reflecting the nation’s ideas about itself or about another, very biased as a rule. These ideas have a collective character and are inherited by the individual due to education, the influence of the environment and public opinion. From the standpoint of the textual approach, the analysis of the linguistic embodiment of the kernel and the near periphery of the modern Russian literature of various periods (over 1000 samples). Verbalization of the image of the British in the artistic picture of the world is carried out using such frames as character, appearance, clothing, behavior. The appearance of the British is often assessed negatively. In terms of character, behavior and clothing, the British are divided into gentlemen and non-gentlemen. The former receive either a positive or an ironic assessment, the latter – more often negative, sometimes ironic. The good manners of the English are highlighted, especially in the process of their meal. English speech and pronunciation are also important from the point of view of authors.


Author(s):  
Т. Серебрякова ◽  
T. Serebryakova ◽  
А. Бурханова ◽  
A. Burhanova ◽  
О. Казакова ◽  
...  

This article reflects the results of a theoretical understanding of the problem of spiritual-moral formation of personality. Relying on the method of theoretical analysis, we note the fact very long and sustained interest of representatives of various branches of anthropology to this issue. Fundamental research in this area was carried out by philosophers, culturologists, sociologists, the results of whose researches, from our point of view, can be regarded as a theoretical, methodological bases for the development of the problem of education of spirituality and morality of the individual from the standpoint of pedagogy. No of less important for the development of technological approaches to optimization of the process of spiritually-moral education of personality you are the works of psychologists. It was the psychologists, analyzing the essential characteristics of spirituality and morals in the first place, bind them with the attitude of the subject, both to the world and to ourselves; associate spirituality and morality as the cognitive and affective processes. The allocation of the spectrum of characteristics that reflect the essence of spirituality and morality of the individual, will allow, from our point of view, to optimize the process of developing technological approaches to solving this problem.


2018 ◽  
Vol 38 (04) ◽  
pp. 373-380
Author(s):  
R. L. Carvalho ◽  
F. Frazão ◽  
R.S. Ferreira–Châline ◽  
J. Louzada ◽  
L. Cordeiro ◽  
...  

AbstractDung beetles (Coleoptera: Scarabaeinae) mediate many ecological functions that are important to maintain the ecosystem functioning of terrestrial environments. Although a large amount of literature explores the dung beetle-mediated ecological processes, little is known about the individual contribution from distinct species. Here, we aimed to examine the intra and interspecific variations in dung burial rates performed by two roller dung beetle species (Canthon smaragdulus Fabricius, 1781 and Canthon sulcatus Castelnau, 1840). Furthermore, we evaluated the relationship between dung beetle biomass and dung burial rates. We set up a laboratorial experiment with three treatments (two males, two females, and a couple) and 10 replicates per treatment for each dung beetle species, and dung burial rates were measured after exposing 100 g of mixed pig and human excrement for 48 hours. Our results demonstrate that dung burial rates of males, females, and couples within each species do not differ. However, C. smaragdulus individuals performed a larger dung burial than C. sulcatus individuals did. In addition, we found no effect of individual biomass on the amount of dung burial on intra and interspecific levels. These findings highlight the need for further research considering that distinct species, even from the same genus, may perform different rates of ecological processes, as well as about the importance for considering the beetle biomass when measuring their ecological functions. We call for studies to fill in the knowledge gap about the individual species’ contribution to the maintenance of different dung beetle-mediated ecological processes.


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