This paper deals with the morphology of the larvae of Frontopsylla spadix spadix (Jordan et Rothschild. 1921 ) and a comparison is made to differentiate it from the larvae of F. elatoides intermedia,F. aspiniformis an...This paper deals with the morphology of the larvae of Frontopsylla spadix spadix (Jordan et Rothschild. 1921 ) and a comparison is made to differentiate it from the larvae of F. elatoides intermedia,F. aspiniformis and F. frontalis baibacina.The diagnostic characters of the larvae of the four flea species or subspecies are compared and tabulated as following:展开更多
[Objective] The research aimed to observe the effects of Escherichia coli infection on the morphology of hemocytes of the 3rd stage larva of Musca domestica in vitro and understand the hemocytes types that take part i...[Objective] The research aimed to observe the effects of Escherichia coli infection on the morphology of hemocytes of the 3rd stage larva of Musca domestica in vitro and understand the hemocytes types that take part in the cell immunity of Musca domestica larval.[Method] The hemcytes of the 3rd stage larva of Musca domestica were cultured in vitro and the hemocyte morphology was observed about 2,4,6,8 h after culture in vitro.After Escherichia coli were injected into the hemocytes of the 3rd stage larva of Musca domestica in vitro,the morphology changes of hemocytes were observed at different time after infection.[Result] The hemocytes of of the 3rd stage larva of Musca domestica was divided into five types about 2 h after hemoculture.The hemocytes partly adherence was seen about 6 h after hemoculture.The vacuolation and morpholysis was found in plasmatocytes after being infected by E.coli and a great quantity bacterium were gathered around granulocyte,but the morphology changes of hemocytes were not found in the prohemocyte,shprulocyte and oenocytoid.[Conclusion] The plasmatocyte and granulocyte were primary participants of the cell immunity of Musca domestica larval,but the prohemocyte,sphrulocyte and oenocytoid do not participate in the cell immune reactions.展开更多
The last-instar larval external morphologies of Orthaga achatina Butler, Macalla sp. and Locastra muscosalis (Walker) of Epipaschiinae are described and illustrated. All specimens examined are deposited in the Colle...The last-instar larval external morphologies of Orthaga achatina Butler, Macalla sp. and Locastra muscosalis (Walker) of Epipaschiinae are described and illustrated. All specimens examined are deposited in the Collection of College of Life Sciences, China Jiliang University, China. Biological information such as living habit also is included.展开更多
Blow flies are worldwide the most important insects from a forensic point of view.In Thailand,aside from the two most common species,Chrysomya megacephala (F.) and Chrysomya rufifacies (Macquart),Chrysomya chani Kurah...Blow flies are worldwide the most important insects from a forensic point of view.In Thailand,aside from the two most common species,Chrysomya megacephala (F.) and Chrysomya rufifacies (Macquart),Chrysomya chani Kurahashi was also found to be of forensic importance.We present a case of a human female cadaver in its bloated stage of decomposition,discovered at Pachangnoi Subdistrict,northern Thailand.Entomological sampling during the autopsy displayed an assemblage of numerous dipteran larvae.Macroscopic observations showed the coexistence of third instar larvae of the three blow flies C.megacephala,Chrysomya villeneuvi Patton,an unknown blow fly species and one muscid,Hydrotaea sp.The minimum post-mortem interval was estimated to be six days,based on the developmental rate of C megacephala.The ID of the unknown larva,which is the focus of this report,was revealed later as C.chani by DNA sequencing,using a 1205 bp of cytochrome c oxidase subunit Ⅰ (COⅠ).The occurrence of C.chani on a human body revealed the need to analyse and describe the morphology of its immature stage,to enable forensic entomologists to identify this fly species in future cases.The morphological examination of the third instar was performed,revealing peculiar characteristics: protuberant tubercles encircling abdominal segments;9-11 lobes on the anterior spiracle;six prominent pairs of tubercles along the peripheral rim of the eighth abdominal segment;a heavily sclerotized complete peritreme of the posterior spiracles.A key to differentiate the third instar of blow flies of forensic importance in Thailand is provided.展开更多
文摘This paper deals with the morphology of the larvae of Frontopsylla spadix spadix (Jordan et Rothschild. 1921 ) and a comparison is made to differentiate it from the larvae of F. elatoides intermedia,F. aspiniformis and F. frontalis baibacina.The diagnostic characters of the larvae of the four flea species or subspecies are compared and tabulated as following:
基金Supported by Health Department of Guizhou Province Foundation(D-281)Yong Foundation of Zunyi Medical College(F-241)~~
文摘[Objective] The research aimed to observe the effects of Escherichia coli infection on the morphology of hemocytes of the 3rd stage larva of Musca domestica in vitro and understand the hemocytes types that take part in the cell immunity of Musca domestica larval.[Method] The hemcytes of the 3rd stage larva of Musca domestica were cultured in vitro and the hemocyte morphology was observed about 2,4,6,8 h after culture in vitro.After Escherichia coli were injected into the hemocytes of the 3rd stage larva of Musca domestica in vitro,the morphology changes of hemocytes were observed at different time after infection.[Result] The hemocytes of of the 3rd stage larva of Musca domestica was divided into five types about 2 h after hemoculture.The hemocytes partly adherence was seen about 6 h after hemoculture.The vacuolation and morpholysis was found in plasmatocytes after being infected by E.coli and a great quantity bacterium were gathered around granulocyte,but the morphology changes of hemocytes were not found in the prohemocyte,shprulocyte and oenocytoid.[Conclusion] The plasmatocyte and granulocyte were primary participants of the cell immunity of Musca domestica larval,but the prohemocyte,sphrulocyte and oenocytoid do not participate in the cell immune reactions.
基金The project was supported by the Zhejiang Natural Science Foundation(Y304454)
文摘The last-instar larval external morphologies of Orthaga achatina Butler, Macalla sp. and Locastra muscosalis (Walker) of Epipaschiinae are described and illustrated. All specimens examined are deposited in the Collection of College of Life Sciences, China Jiliang University, China. Biological information such as living habit also is included.
基金Chiang Mai University(CMU)through the Excellence Center for Insect Vector Study.
文摘Blow flies are worldwide the most important insects from a forensic point of view.In Thailand,aside from the two most common species,Chrysomya megacephala (F.) and Chrysomya rufifacies (Macquart),Chrysomya chani Kurahashi was also found to be of forensic importance.We present a case of a human female cadaver in its bloated stage of decomposition,discovered at Pachangnoi Subdistrict,northern Thailand.Entomological sampling during the autopsy displayed an assemblage of numerous dipteran larvae.Macroscopic observations showed the coexistence of third instar larvae of the three blow flies C.megacephala,Chrysomya villeneuvi Patton,an unknown blow fly species and one muscid,Hydrotaea sp.The minimum post-mortem interval was estimated to be six days,based on the developmental rate of C megacephala.The ID of the unknown larva,which is the focus of this report,was revealed later as C.chani by DNA sequencing,using a 1205 bp of cytochrome c oxidase subunit Ⅰ (COⅠ).The occurrence of C.chani on a human body revealed the need to analyse and describe the morphology of its immature stage,to enable forensic entomologists to identify this fly species in future cases.The morphological examination of the third instar was performed,revealing peculiar characteristics: protuberant tubercles encircling abdominal segments;9-11 lobes on the anterior spiracle;six prominent pairs of tubercles along the peripheral rim of the eighth abdominal segment;a heavily sclerotized complete peritreme of the posterior spiracles.A key to differentiate the third instar of blow flies of forensic importance in Thailand is provided.