scholarly journals Mating Attributes Relating to Parasitization and Productivity in Habrobracon hebetor (Hymenoptera: Braconidae) Rearing on Host Indian Meal Moth (Lepidoptera: Pyralidae)

2020 ◽  
Vol 113 (3) ◽  
pp. 1528-1534 ◽  
Author(s):  
Mahbub Hasan ◽  
Mehedi Hasan ◽  
Raosonara Khatun ◽  
Akhtar Hossain ◽  
Christos G Athanassiou ◽  
...  
Keyword(s):  
Age Groups ◽  
Production Capacity ◽  
Mass Rearing ◽  
Male Mating ◽  
Female Ratio ◽  
Habrobracon Hebetor ◽  
Control Programs ◽  
Male Female Ratio ◽  
Indian Meal ◽  
Lepidoptera Pyralidae

Abstract The mating attributes in relating to parasitism and progeny production capacity of the parasitoid Habrobracon hebetor Say, using Plodia interpunctella (Hübner) as a host, were investigated in laboratory studies. The results indicated that 100% of the host larvae were parasitized by different individuals of H. hebetor females that were mated by the same male. Mating duration did not differ significantly among different successive matings with different females and had no effect on the rate of parasitism. In general, pairs that had their copulation early after emergence exhibited the maximum rate of parasitism as compared to delayed intervals. Moreover, the age of the H. hebetor females had no effect on the percentage of parasitism. The maximum parasitism percentage was recorded for the H. hebetor individuals that had been developed from the age group of the 6-d-old adults. The male: female ratios did not differ significantly among the female age groups. The percentage of parasitism clearly indicated a decrease with the increase of the male: female ratio. Overall, the results of the present work can be further utilized in mass rearing and release of H. hebetor in biological control programs in stored product protection.

scholarly journals Using Gamma Irradiated Galleria mellonella L. and Plodia interpunctella (Hübner) Larvae to Optimize Mass Rearing of Parasitoid Habrobracon hebetor (Say) (Hymenoptera: Braconidae)

Insects ◽  
2019 ◽  
Vol 10 (8) ◽  
pp. 223 ◽  
Author(s):  
Hasan ◽  
Yeasmin ◽  
Athanassiou ◽  
Bari ◽  
Islam
Keyword(s):  
Galleria Mellonella ◽  
Adult Emergence ◽  
Plodia Interpunctella ◽  
Mass Rearing ◽  
Habrobracon Hebetor ◽  
Larval Parasitoid ◽  
Indian Meal ◽  
Lepidoptera Pyralidae ◽  
Gamma Irradiated ◽  
Parasitoid Development

We evaluated possible improvements to the mass rearing of the larval parasitoid Habrobracon hebetor (Say) (Hymenoptera: Braconidae) on irradiated host wax moth Galleria mellonella L. and Indian meal moth Plodia interpunctella (Hübner) (Lepidoptera: Pyralidae) larvae. The use of irradiated G. mellonella and P. interpunctella larvae at the dose of 150 Gy proved useful for enhancing the parasitism and adult emergence of H. hebetor due to the absence of negative repercussions on parasitoid development. Overall, parasitism was increased as the host larvae was irradiated with higher doses, while significantly higher parasitism was recorded at 150 and 300 Gy compared to lower doses. The female parasitoids preferred the irradiated larvae and significantly higher numbers of larvae were parasitized compared with non-irradiated larvae. The results also showed that irradiated larvae of G. mellonella served better as hosts for H. hebetor as compared with irradiated larvae of P. interpunctella. The implementation of these findings would be helpful for improving the mass production of parasitoids and the effectiveness of releases of biocontrol agents for the control of stored product pests.

Gender Differences in the Lethality of Suicide Methods and Their Relation to Suicide Rates

2009 ◽  
Vol 24 (S1) ◽  
pp. 1-1 ◽  
Author(s):  
A. Cibis ◽  
A. Bramesfeld ◽  
R. Mergl ◽  
D. Althaus ◽  
G. Niklewski ◽  
...  
Keyword(s):  
Suicide Prevention ◽  
Age Groups ◽  
Female Ratio ◽  
Men And Women ◽  
Suicide Methods ◽  
Suicide Rates ◽  
Male Suicide ◽  
Male Female Ratio ◽  
Prevention Interventions ◽  
Gender Specific

Aims:For developing suicide prevention interventions, epidemiologic, socio-economic and demographic factors influencing suicide rates are of high interest. One considerable factor in this respect is gender, as in most countries male suicide rates are much higher than female suicide rates with a global average male/female ratio of 3.6:1. The present study seeks to contribute to the clarification of the question what underlies the different suicide rates of men and women by analyzing gender-specific lethality of suicide methods.Method:Data on completed (fatal) and attempted (non-fatal) suicides from 2000 to 2004 were collected in two cities in the region of Bavaria, Germany. This data sample offers the opportunity to compare data of suicidal acts including completed as well as attempted suicides of the same region during the same time. The lethality for each suicide method was estimated by dividing the number of fatal episodes by the total episodes and then related to gender and age.Results:Lethality per method was higher for men than for women; significant differences could be shown for the majority of methods. Regarding age, lethality rising with age could be shown. Still, in higher age groups, differences in lethality between men and women were significant.Conclusion:Results stress the importance of gender-specific suicide prevention. Male-specific suicide-prevention should be concerned with improving access to and treatment of men under risk for suicidal behaviour. Addressing the problem through multifaceted programs therefore is a promising approach.

scholarly journals Gender-Age Distribution of Patients with COVID-19 at Different Stages of Epidemic in Moscow

2020 ◽  
pp. 27-35
Author(s):  
V. G. Akimkin ◽  
S. N. Kuzin ◽  
T. A. Semenenko ◽  
A. A. Ploskireva ◽  
D. V. Dubodelov ◽  
...  
Keyword(s):  
Age Distribution ◽  
Age Groups ◽  
Population Based ◽  
Epidemiological Surveillance ◽  
Age Group ◽  
Female Ratio ◽  
The World ◽  
Male Female Ratio ◽  
Male Cohort ◽  
Epidemiological Characteristics

The ongoing COVID-19 pandemic around the world and in Russia remains a major event of 2020. All over the world, research is being conducted to comprehensively study the patterns and manifestations of the epidemic  process. The main quantitative characteristics of SARS-CoV-2 transmission dynamics among the population, based on the data of official monitoring over the current situation, play an important role in the development of  the epidemiological surveillance system.The aim of this study is to explore the peculiarities of age-gender distribution of COVID-19 patients in Moscow.Material and methods. The data related to the epidemiological characteristics of age-gender structure of COVID-19 patients in Moscow between March 19, 2020 and April 15, 2020, at different stages of the  epidemic were retrospectively analyzed.Results and discussion. The mean age of COVID-19 patients in Moscow was 46,41±20,58 years. The gender ratio (male/female) among the patients was 52.7/47.3 %, wherein the indicators varied depending upon the  age. Male/female ratio in the age group “under 39” stood at 53.7/46.3 %, and “over 40 years of age” – at  39.3/60.7 %. The predominant age range among male cases was 19 to 39 years old – 35.4 %, while among female patients – 40–59 years (36.5 %). The age distribution of patients in Moscow is indicative of the fact that COVID-19 is a disease that primarily affects older age groups. The age structure of all COVID-19 cases during the observation period is characterized by predominance of adult patients over 19 years of age – 92,7 % (92,6–92,8 %), the share of patients aged 40–59 years is 35,7% (35,5–35,9 %). The differences in the age distribution in males and females are as follows: in the male cohort, the age groups 19–39 years old and 40–59 years old prevail – 35.4 % (35.1–35.7 %) and 34.9 % (34.6–35.2 %), respectively. The age group 40–59 years old – 36.5 % (36.3–36.8%) dominates in the female cohort. 

scholarly journals The problem of burns

2017 ◽  
Vol 4 (2) ◽  
pp. 500
Author(s):  
Bhimanagouda V. Goudar ◽  
Sidharth Agarwal ◽  
Yamanur P. Lamani ◽  
Shankar Gururaj ◽  
Veerbhadra Gouda
Keyword(s):  
Medical Care ◽  
Cause Of Death ◽  
Age Groups ◽  
Hypovolemic Shock ◽  
Total Mortality ◽  
Morbidity And Mortality ◽  
Female Ratio ◽  
Male Female Ratio ◽  
Very High ◽  
Length Of Hospitalization

Background: Burns due to accidents are a common cause of morbidity and mortality in the Indian sub-continent. The causes being preventive, warrant a better understanding of the epidemiology to know the seriousness of the situation, implement better medical care and prevent such accidents. Aim was to study the morbidity and mortality related to percentage of burns.Methods: This is a retrospective observational study where patients admitted with burns 2013 and 2015 were evaluated. Data with respect to sex, age, percentage of burns, air-way burns, mode and cause of burns, cause of death and length of hospitalization were analyzed.Results: 65.3% of the patients were females and 34.7% males, with a male: female ratio of 0.53:1. A total mortality of 43.71% was seen. Maximum patients belonged to age group 21-40 years which also constituted 28.74% (highest) of the above total mortality. More than 50 % mortality was seen in patients with more than 41% burns. Air way burns were present in 41.31% of the cases; of which 85.51% of cases did not survive. Death due to hypovolemic shock (42.47%) was the main cause of death in the initial 4 days of admission; whereas septicemic shock (57.53%) from the 5th day onward.Conclusions: Morbidity and mortality due to burns is still very high in India, especially in young adults of age groups 21- 40 years. A higher case load for females as seen, being nearly double in in relation to males. Better fluid resuscitation regimens with adequate control of infection is the need of the hour to bring down the mortality. Female sex and more than 41% burns predicts higher mortality. Involvement of the respiratory tract, also predicts higher mortality and may be taken as a reliable indicator of the severity of burns. In the present scenario, we should stress more over the prevention of burns, to easily make available affordable and cheap medical care for the patients and to minimize post burn disability as much as possible.

scholarly journals Surgical Outcome of Isolated Extradural Hematomas Operated in a Teaching Hospital in Western Nepal

2019 ◽  
Vol 16 (1) ◽  
pp. 21-24
Author(s):  
Balgopal Karmacharya ◽  
Nikunja Yogi ◽  
Benju Pun
Keyword(s):  
Head Injury ◽  
Teaching Hospital ◽  
Injury Severity ◽  
Motor Vehicle ◽  
Age Groups ◽  
Female Ratio ◽  
Vehicle Accidents ◽  
Time Period ◽  
Number Of Patients ◽  
Male Female Ratio

The aim of this determine the causes, frequency, location of isolated extradural hematomas in patients presenting with head injury and to find out the outcome of surgery in such patients. This is prospective observational study was conducted in the Neurosurgery Unit of Manipal Teaching Hospital from January 2012 to January 2017. All patients who presented with headinjury and had isolated extradural hematomas were included in the study. Total number of patients admitted with diagnosis of extradural hematomas during that time period was 169 among which 94 patients underwent surgical treatment. Descriptive statistics data including age, gender, causes of injury, severity of head injury and Glasgow outcome scale were studied. Results in proportion and percentages were calculated by using Microsoft Excel 2013. There were 169 patients who had isolated extradural hematomas. Among them, 75 patients were managed conservatively and 94 underwent craniotomy for evacuation of hematoma. This group of 94 patients who operative treatment was taken for this study. Male: female ratio was 1.6:1. Mean age was 23 years. Most of patients were in 20-40 age groups. Causes of extradural hematomas included motor vehicle accidents, falls and assaults. Mild and moderate head injury was present in 53 (56.38%) and 32 (34.0%) patients. Seventy nine patients (84.05%) of patients had good recovery while 3 (3.19%) patients expired.

scholarly journals Variability of Shigella flexneri serotypes in Israel during a period of two years: 2000 and 2001

2004 ◽  
Vol 132 (1) ◽  
pp. 51-56 ◽  
Author(s):  
V. VASILEV ◽  
N. ANDORN ◽  
R. JAPHETH ◽  
V. AGMON
Keyword(s):  
Shigella Flexneri ◽  
Age Groups ◽  
Female Ratio ◽  
Reference Centre ◽  
Male Female Ratio ◽  
Monthly Distribution ◽  
Sporadic Cases ◽  
Male Patients ◽  
Severity Of The Disease ◽  
Public Health Strategies

During a period of 2 years (2000 and 2001) 996 Shigella flexneri strains from sporadic cases in Israel were sent to the National Shigella Reference Centre (NSRC) by hospital and outpatient clinics. The most common serotypes were 2a, 6 and 1b, accounting for 88·4% of all isolates. They were investigated according to the monthly distribution of the strains, and the age and sex of the patients. The severity of the disease was assessed by a hospital/outpatient distribution (H/Od) of the isolates, based on the location of the sending laboratory. The most affected age groups were 0–11 months and 1–4 years, and the prevalent serotype was 2a, while serotype 6 was dominant in the 5–14 years age group. More cases were registered during the hot season, and there were some serotype-related variations. Overall, 62·1% of the samples were from male patients. Serotype 1b was dominant in the male/female ratio, although it was third in general prevalence. According to the H/Od serotype 2a was more common in hospitalized males and serotype 6 in outpatients, both male and female. These variations, as well as changes in serotype prevalence in the past, underscore the importance of serotype monitoring as part of the public health strategies for reducing the burden of Shigella flexneri infections.

scholarly journals Histomorphological features of atherosclerosis in the left anterior descending coronary arteries among black Kenyans

2017 ◽  
Vol 6 (3) ◽  
pp. 1033-1044
Author(s):  
Julius Ogeng’o ◽  
Beryl S. Ominde ◽  
Kevin W. Ongeti ◽  
Beda Olabu ◽  
Philip Maseghe ◽  
...  
Keyword(s):  
Age Groups ◽  
Digital Camera ◽  
Mitigation Strategies ◽  
Sub Saharan Africa ◽  
Human Anatomy ◽  
Internal Elastic Lamina ◽  
Female Ratio ◽  
Coronary Artery Atherosclerosis ◽  
Male Female Ratio ◽  
Sub Saharan

The pattern of coronary artery atherosclerosis is valuable in informing mitigation strategies for coronary heart disease. Histomorphological data on this disease among Africans living in Sub Saharan Africa are, however, scarce. The left anterior descending is one of the most commonly afflicted arteries. This study, therefore, examined the left anterior descending artery of 213 black Kenyans [Mean age 36.8 years, range 5 – 82 years] who had died of non cardiovascular causes for features of atherosclerosis. The individuals were divided into male and female, then into 10-yr age groups. Specimens were obtained from the proximal segment of the artery during autopsy at the Department of Human Anatomy University of Nairobi, Kenya. They were processed routinely for paraffin embedding andsectioning. Five micron sections were stained with Haematoxylin/Eosin and Mason’s trichrome and examined with light microscope. Micrographs of representative features were taken using a high resolution digital camera. At least one feature of atherosclerosis was present in 54 (25.4%) of the individuals. The features observed included severe intimal hyperplasia (34; 63%), disintegration of the internal elastic lamina [30; 55.6%]; atherosclerotic plaque (20; 37%), adventitial thicknening (14; 26%) and mural neovascularization (10; 18.5%). The mean age of those with features of atherosclerosis was 38.4 years, range 6 – 62 years with 25 (46.3%) being aged 40 years and below. Of these, the male: female ratio was 1.7:1. In conclusion, features of atherosclerosis are present in over 25% of the population studied. The disease affects young people, including women. Proactive preventive measures including follow – up should commence early, and involve both men and womenKeywords: Atherosclerosis, coronary, young, men, women, Kenya

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