Results 131 to 140 of about 368 (164)
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Review of Raxa (Hemiptera: Pyrrhocoridae)
Annals of the Entomological Society of America, 1999The genus and the type species Raxa collaris Distant are redescribed. A new species R. nishidai and its 2nd and 4th instars are described. Raxa is compared with 4 similar genera, Melamphaus Stal , Probergrothius Kirkaldy , Roscius Stal, and Antilochus Stal; Raxa appears to be most closely related to the last. R. collaris occurs in Vietnam and Laos, and
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Caribbean Sea Region Pyrrhocoroidea (Hemiptera: Pyrrhocoridae, Largidae)
Neotropical Entomology, 2013A synopsis of the Pyrrhocoridae and Largidae (Pyrrhocoroidea) of the Caribbean Sea Region is given. Three new taxa are described: Dysdercus jamaicensis jindrai Stehlík n. subsp. (Dominican Republic); Largus fumosus fumosus Stehlík n. sp. (Panama-Barro Colorado Island); and Largus fumosus nigromembranaceus Stehlík n. subsp. (Panama).
C W, Schaefer, J L, Stehlík
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Effect of thermoperiod on diapause intensity in Pyrrhocoris apterus (Heteroptera Pyrrhocoridae)
Journal of Insect Physiology, 2001The intensity of adult diapause in Pyrrhocoris apterus was measured in two series of experiments as the duration of pre-oviposition period at a constant temperature of 25 degrees C after transfer from short (12L:12D) to long day conditions (18L:6D). Higher diapause intensity was induced with a thermoperiod than at constant temperatures.
, Kalushkov +3 more
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Endocrine control of mating instinct inDysdercus koenigii (Hemiptera: Pyrrhocoridae)
Experientia, 1975Five pairs of median and 1 pair of lateral neurosecretory cell groups occur in the protocerebrum of Dysdercus koenigii, a hemipteran pest on the ladies finger plant (Hibiscus esculentus). The lateral neurosecretory cells (LNSC) become active prior to, and at the time of commencement of mating and release their secretion within 24 h of commencement. The
U, Sharma, S L, Sahni, D P, Sinha
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Contribution to the study of Turkish Pyrrhocoridae (Heteroptera)
1997Türkiye Pyrrhocoridae (Heteroptera) fonülyası üzerinde çalışmalar Bu çalışmada Pyrrhocoridae familyasına bağlı Türkiye'de saptanmış 4 türün sinonimleri, tanımlan ele alınmış ve bunlara ait cins ve tür teşhis anahtarları verilmiştir. Bu türler Scantius aegyptius, Pyrrhocoris apterus, P. marginatus ve P.
AWAD, Talat İssa, ÖNDER, Feyzi
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Zootaxa, 2013
The species diversity of Pyrrhocoridae is cataloged in this paper. Seven species (from three genera: Aderrhis Bergroth 1906, Pyrrhocoris Fallén 1814, Scantius Stål 1866) are given as the fauna of Iran.
Ghahari, Hassan, Moulet, Pierre
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The species diversity of Pyrrhocoridae is cataloged in this paper. Seven species (from three genera: Aderrhis Bergroth 1906, Pyrrhocoris Fallén 1814, Scantius Stål 1866) are given as the fauna of Iran.
Ghahari, Hassan, Moulet, Pierre
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Review of the Tropical Asian Genus Pyrrhopeplus (Hemiptera: Pyrrhocoridae)
Annals of the Entomological Society of America, 1995Tropical Asian genus Pyrrhopeplus Stal, 1870, and its two species, P. carduelis (Stal, 1863) and P. posthumus Horvath, 1892, are redescribed, measurements are given, and the parameres figured; also described is the male fifth instar of P. carduelis . A synapomorphy, paired setal patches on the male's genital capsule, may ally this genus with several ...
Carl W. Schaefer, Thanh NguyêN
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Ecology of cotton stainers (Heteroptera: Pyrrhocoridae) in southern Ghana
Biological Journal of the Linnean Society, 1975An account is given of the ecology of four species of Dysdercus in southern Ghana. Succession of host plants, host preference and migration is studied. Colony structure is examined. Natural enemies are investigated. Mimetic resemblance of the resident predator to a particular species of host Dysdercus is studied.
B. A. FUSEINI, R. KUMAR
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The pyrrhocoridae in nature: roles, adaptation and challenges
Journal of Entomological ResearchAbstractThe Pyrrhocoridae, commonly known as red bugs, are a diverse and ecologically significant group of insects that play multiple roles in natural ecosystems. While some species, such as the cotton stainer (Dysdercus suturellus), are notorious agricultural pests that damage crops like cotton by feeding on plant sap and staining fibers with their ...
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Nature, 1970
Extensive System of Microtubules in the Ovariole of Dysdercus fasciatus Signoret (Heteroptera: Pyrrhocoridae)
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Extensive System of Microtubules in the Ovariole of Dysdercus fasciatus Signoret (Heteroptera: Pyrrhocoridae)
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