Results 151 to 160 of about 1,180 (180)
The sexual behaviour of Panstrongylus megistus (Hemiptera: Reduviidae): an experimental study [PDF]
Memorias Do Instituto Oswaldo Cruz, 2004 The factors affecting the sexual behaviour of Panstrongylus megistus were studied under laboratory conditions. A general description of mating behaviour is presented for this species. The effect of the time elapsed after the first imaginal feeding on the mating frequency, the motivation of males to mate and the rejection behaviour by females, were ...
Marcelo G Lorenzo +2 more
exaly +7 more sources
Flight metabolism in Panstrongylus megistus (Hemiptera: Reduviidae): the role of carbohydrates and lipids [PDF]
Memorias Do Instituto Oswaldo Cruz, 2003 The metabolism of lipids and carbohydrates related to flight activity in Panstrongylus megistus was investigated. Insects were subjected to different times of flight under laboratory conditions and changes in total lipids, lipophorin density and carbohydrates were followed in the hemolymph.
Lilian E Canavoso +2 more
exaly +5 more sources
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Zeitschrift Für Parasitenkunde (Berlin, Germany), 1972
Some protozoan forms from Panstrongylus megistus that Chagas had incorporated into his original description of Trypanosoma cruzi are compared with schizogonic and sporogonic stages of the microsporidian Octosporea muscaedomesticae. On the basis of the evidence presented O. carloschagasi n. sp. is described.
John Paul Kramer
exaly +3 more sources
Some protozoan forms from Panstrongylus megistus that Chagas had incorporated into his original description of Trypanosoma cruzi are compared with schizogonic and sporogonic stages of the microsporidian Octosporea muscaedomesticae. On the basis of the evidence presented O. carloschagasi n. sp. is described.
John Paul Kramer
exaly +3 more sources
Kazal-type inhibitors in the stomach of Panstrongylus megistus (Triatominae, Reduviidae)
Insect Biochemistry and Molecular Biology, 2010Triatomines inhibit the clotting of ingested blood in the stomach (anterior midgut). After verifying this phenomenon in Panstrongylus megistus using coagulation assays, a full-length cDNA encoding a Kazal-like inhibitor was amplified by PCR. The open reading frame encodes a putative precursor protein of 412 amino acid residues, which was named PmStKaz ...
Helmut E Meyer +2 more
exaly +4 more sources
Comparative aspects of xanthine dehydrogenase activity of Panstrongylus megistus
Comparative Biochemistry and Physiology Part B: Comparative Biochemistry, 1978Abstract 1. 1. Organ extracts from Panstrongylus megistus were assayed for xanthine dehydrogenase (E.C. 1.2.1.37) and xanthine oxidase (E.C. 1.2.3.2) activities. 2. 2. XDH was present in the fat body, Malpighian tubes, testis and ovary, higher levels being found in the fat body. XO activity was practically absent. 3. 3.
Edna Riemke +3 more
openaire +1 more source
Acta Tropica, 2002
We tested the aggregation response to inter and intraspecific chemical signals in Panstrongylus megistus and Triatoma infestans. As previously described for T. infestans, larvae of P. megistus significantly aggregated on papers impregnated with their own excrement and on papers marked with cuticular substances deposited on surfaces on which these ...
H H R, Pires +4 more
openaire +2 more sources
We tested the aggregation response to inter and intraspecific chemical signals in Panstrongylus megistus and Triatoma infestans. As previously described for T. infestans, larvae of P. megistus significantly aggregated on papers impregnated with their own excrement and on papers marked with cuticular substances deposited on surfaces on which these ...
H H R, Pires +4 more
openaire +2 more sources
Sensitivity of Gomez-Nuñez boxes for the detection of household infestation with Panstrongylus megistus [PDF]
Revista Da Sociedade Brasileira De Medicina Tropical, 1984 Four methods for detecting household infestations with Panstrongylus megistus were compared: 1) manual collection; 2) collection after pyrethrum application; 3) search viable eggs; and 4) Gomez-Nuñez boxes. Manual collection was the most sensitive method
J Piesman, Italo A Sherlock
exaly +2 more sources
Acta Tropica, 1996
Salivary gland extract of Triatoma infestans prolonged thrombin time, prothrombin time, and activated partial thromboplastin time, while salivary gland extract of Panstrongylus megistus delayed thrombin time and activated partial thromboplastin time. However, saliva of P.
M H, Pereira +5 more
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Salivary gland extract of Triatoma infestans prolonged thrombin time, prothrombin time, and activated partial thromboplastin time, while salivary gland extract of Panstrongylus megistus delayed thrombin time and activated partial thromboplastin time. However, saliva of P.
M H, Pereira +5 more
openaire +2 more sources
Blockage of Embryonic Development in Panstrongylus Megistus by Juvenile Hormone Analogues
International Journal of Tropical Insect Science, 1984The effect of five juvenile hormone analogues (JHAs) on the embryonic development of Panstrongylus megistus, a vector of Chagas’ disease, was studied. Four compounds, N-(2,5-dich-loropheny])-3,7-dimethyl-2-6-octadienylamine, N-(5-chloro-2-rnethylphenyl)-3,7-dimethyl-2,6-octadienylamine, 3,7-dimethyl-6,7-epoxy-1-(3,4-methylenedioxyphenoxy)-2-nonene, and
A. M. Oliveira Filho +3 more
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Experientia, 1978
Vesicular inclusions observed in Malpighian tubes of hemipterans have been associated with a virus-like infection rather than a lysosomal-type activity, which is the case of the identical cytoplasmic structures.
H, Dolder, M L, Mello
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Vesicular inclusions observed in Malpighian tubes of hemipterans have been associated with a virus-like infection rather than a lysosomal-type activity, which is the case of the identical cytoplasmic structures.
H, Dolder, M L, Mello
openaire +2 more sources