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International Journal of Biometeorology

, Volume 6, Issue 2, pp 85–90 | Cite as

Observations on the effect of hurricane “Carla” on insect activity

  • N. E. Flitters
Article

Abstract

Observations in the laboratory under conditions of controlled temperature and relative humidity on the effects of low barometric pressures on insect activity resulting fron hurricane “Carla”, one of the largest and most destructive hurricanes to affect the middle coast of Texas, revealed that stable flies (STOMOXYS CALCITRANS (L.)), house flies (MUSCA DOMESTICA L.), and Mexican fruit flies (ANASTREPHA LUDENS (Loew)), cockroaches (BLATELLA GERMANICA (L.)), PERIPLANETA AMERICANA (L.), and BLABERUS GIGANTEUS (L.) and mosquitoes (AEDES AEGYPTI (L.), exhibited nervous activity concomitant with the reduction in barometric pressure. Field studies throughout the critical storm period also indicated unusual arthropod activity. Following the hurricane, certain insect species emerged in abnormally large numbers, particularly fall armyworms (LAPHYGMA FRUGIPERDA (J.E. Smith)), “asps” (MEGALOPYGE OPERCULARIS (J. E. Smith)), and southern green stink bugs (NEZARA VIRIDULA (L.)).

Keywords

Barometric Pressure Musca DOMESTICA Relative Constantes Storm Period Aedes AEGYPTI 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Zusammenfassung

WÄhrend des Hurrikans “Carla”, einer der grössten und verheerendsten Orkane, die je auf die mittlere Küste von Texas eingewirkt haben, wurden im Laboratorium mit kontrollierter Temperatur und Feuchte, die Wirkungen von niedrigem Barometerdruck auf die InsektenaktivitÄt untersucht. Stallfliegen (STOMOXYS CALCITRANS (L.)), Hausfliegen (MUSCA DOMESTICA L.), Mexikanische Fruchtfliegen (ANASTREPHA LUDENS (Loew)), Schaben (BLATELLA GERMANICA L.), PERIPLANETA AMERICANA (L.) und BLABERUS GIGANTEUS (L.) und Mücken (AEDES AEGYPTI (L.)) zeigten wÄhrend der Verminderung des Barometerdruckes eine verstÄrkte AktivitÄt. Bei Studien im Freien wÄhrend der kritischen Orkanperiode wurde ebenfalls eine ungewöhnlich grosse AktivitÄt der Arthopoden beobachtet. Nach dem Orkan tauchten bestimmte Insektenarten in abnorm grosser Zahl auf. besonders (LAPHYGMA FRUGIPERDA (J.E.Schmith)), (MEGALOPYGE OPERCULARIS(J.E.Schmith)) und. (NEZARA VIRIDULA (L.)).

Résumé

L'effet, sur l'activité des insectes, des basses pressions barométriques résultant de l'ouragan “Carla”, un des plus vastes et des plus destructeurs qui aient affecté la cÔte moyenne du Texas, a été. observé au laboratoire dans des conditions de température et d'humidité relative constantes. Les mouches des étables (STOMOXYS CALCITRANS (L.)), les mouches domestiques (MUSCA DOMESTICA L.), les mouches à fruits mexicaines (ANASTREPHA LUDENS (Loew)), les cafards (BLATELLA GERMANICA (L.)), PERIPLANETA AMERICANA (L.) et BLABERUS GIGANTEUS (L.) et les moustiques (AEDES AEGYPTI (L.)) ont manifesté une activité accrue correspondant à la réduction de la pression barométrique. Des études faites en plein air pendant la période d'ouragan ont également permis d'observer chez les arthropodes une activité inaccoutumée. A la suite de l'ouragan sont apparus en quantités anormales certains insectes tels que le(LAPHYGMA FRUGIPERDA (J.E. Smith)), le (MEGALOPYGE OPERCULARIS (J.E.Smith)) et le (NEZARA VIRIDULA (L.)).

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Copyright information

© Swets & Zeitlinger B.V. 1963

Authors and Affiliations

  • N. E. Flitters
    • 1
  1. 1.Entomology Research DivisionAgric. Res. Serv., U.S.D.A.BrownsvilleUSA

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