Results 41 to 50 of about 6,947 (229)

Theme and variation in the evolution of insect sex determination

open access: yesJournal of Experimental Zoology Part B: Molecular and Developmental Evolution, Volume 340, Issue 2, Page 162-181, March 2023., 2023
Graphical abstract Sex determination and dimorphic somatic differentiation are common in insects, such as the milkweed bugs (Oncopeltus fasciatus) shown here. Variation in the functions and structure of genes implicated in insect sex determination is not uniformly distributed.
Mara Laslo   +2 more
wiley   +1 more source

Dermoscopy applied to pediculosis corporis diagnosis [PDF]

open access: yesAnais Brasileiros de Dermatologia, 2014
We report the case of a 47-year-old homeless male with a massive infestation of Pediculus humanus corporison his entire body. Dermoscopy helped to diagnose pediculosis by showing the involvement of scalp, beard and the genital region in this disease.
Luiz Gustavo Martins   +5 more
doaj   +1 more source

The geographical segregation of human lice preceded that of Pediculus humanus capitis and Pediculus humanus humanus

open access: yesComptes Rendus. Biologies, 2003
In order to investigate human-louse phylogeny, we partially sequenced two nuclear (18S rRNA and EF-1 alpha) and one mitochondrial (COI) genes from 155 Pediculus from different geographical origins. The phylogenetic analysis of 18S rRNA and EF-1 alpha sequences showed that human lice were classified into lice from Sub-Saharan Africa and lice from other ...
Zhu Yong   +3 more
openaire   +3 more sources

Head Lice Infestation in Pre‐High School Girls, Lak Hok Suburban Area, Pathum Thani Province, in Central Thailand

open access: yesJournal of Parasitology Research, Volume 2023, Issue 1, 2023., 2023
This is a cross‐sectional descriptive survey to determine the prevalence of lice infestation in a pre‐high school, Lak Hok subdistrict, Pathum Thani Province, in central part of Thailand. The knowledge, attitudes, and practices of parents/guardians toward head lice in female children during February–April 2020 were evaluated.
Sirima Kitvatanachai   +4 more
wiley   +1 more source

Renewed Risk for Epidemic Typhus Related to War and Massive Population Displacement, Ukraine

open access: yesEmerging Infectious Diseases, 2022
Epidemic typhus, caused by Rickettsia prowazekii bacteria and transmitted through body lice (Pediculus humanus corporis), was a major public health threat in Eastern Europe as a consequence of World War II.
Paul N. Newton   +3 more
doaj   +1 more source

Antennal sensilla of head of poultry shaft louse, Menopon gallinae (Phthiraptera, Insecta, Menoponidae, Amblycera) [PDF]

open access: yes, 2012
Phthirapteran ectoparasites (lice) are very small arthropodan creature which spend their life on different mammalian and avian host body. Many morphological features of these tiny creatures are not visible under simple microscopic study and hence ...
Arya, Surman, Singh, Suneel Kumar
core   +2 more sources

Molecular Evolution of Pediculus humanus and the Origin of Clothing [PDF]

open access: yesCurrent Biology, 2003
The human head louse (Pediculus humanus capitis) and body louse (P. humanus corporis or P. h. humanus) are strict, obligate human ectoparasites that differ mainly in their habitat on the host : the head louse lives and feeds exclusively on the scalp, whereas the body louse feeds on the body but lives in clothing.
Manfred Kayser   +2 more
openaire   +5 more sources

Diversity and composition of the microbiome associated with eggs of the Southern green stinkbug, Nezara viridula (Hemiptera: Pentatomidae)

open access: yesMicrobiologyOpen, Volume 11, Issue 6, December 2022., 2022
In this study, we assessed the composition and establishment of the microbiome of insect eggs using the Southern green stinkbug Nezara viridula (Hemiptera: Pentatomidae) as a study object. Our results show that the egg‐associated bacterial microbiome is species‐poor and dominated by a few symbionts, particularly the species‐specific obligate Pantoea ...
Margot W. J. Geerinck   +7 more
wiley   +1 more source

Avaliação clínica do uso da decametrina no tratamento da pediculose do couro cabeludo A clinical evaluation of the use of decamethrin in the treatment of pediculus of the scalp

open access: yesRevista de Saúde Pública, 1985
A decametrina, um inseticida piretróide sintético, foi avaliada no tratamento da infestação por Pediculus humanus capitis em 54 crianças. Foi empregada emulsão a 0,0025 mg/ml da decametrina em tratamento tópico único ou repetido após 8 dias, se ainda ...
Newton Mamoru Sasaki   +1 more
doaj   +1 more source

Prevalence of Pediculus humanus capitis in a school of low socio-economy area in Rampur (U.P), India [PDF]

open access: yes, 2009
The prevalence of head louse Pediculus humanus capitis on the school children of a low socio-economy area of Rampur, India was found to be 56% (n=300). Female children appeared lousier.
Ahmad, Aftab   +3 more
core   +2 more sources

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