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An unusual larval collection and survival of Orthopodomyia signifera in the presence of the predator Toxorhynchites rutilus septentrionalis. 2009

Ary Farajollahi, and Banugopan Kesavaraju, and Mark P Nelder, and Scott C Crans, and Randy Gaugler
Mercer County Mosquito Control, West Trenton, NJ 08628, USA.

From a discarded heavy-equipment tire (ca. 57 liter) at an industrial construction site, we collected 655 (86.0%) Orthopodomyia signifera, 23 (3.0%) Toxorhynchites rutilus septentrionalis, 17 (2.2%) Aedes japonicus japonicus, and 67 (8.8%) Culex pipiens pipiens. Although larvae of Aedes albopictus and Aedes triseriatus were not collected from this container, both species were prevalent as host-seeking adults and readily collected as larvae from other containers at this site. Laboratory trials to test the survival of prey (Ae. albopictus, Cx. p. pipiens, or Or. signifera) in the presence of Tx. rut. septentrionalis showed that survival of prey larvae differed among species. Multiple comparisons revealed that Ae. albopictus had the lowest and Or. signifera the highest survival in the presence of Tx. rut. septentrionalis. Survival of Or. signifera and Cx. p. pipiens was not significantly different from one another, but both were different from Ae. albopictus. Further testing is warranted to test other factors responsible for differences in the interspecific relationship between Or. signifera and other species in tree hole communities.

UI MeSH Term Description Entries
D007814 Larva Wormlike or grublike stage, following the egg in the life cycle of insects, worms, and other metamorphosing animals. Maggots,Tadpoles,Larvae,Maggot,Tadpole
D011235 Predatory Behavior Instinctual behavior pattern in which food is obtained by killing and consuming other species. Predation,Behavior, Predatory,Predatory Behaviors
D004175 Diptera An order of the class Insecta. Wings, when present, number two and distinguish Diptera from other so-called flies, while the halteres, or reduced hindwings, separate Diptera from other insects with one pair of wings. The order includes the families Calliphoridae, Oestridae, Phoridae, SARCOPHAGIDAE, Scatophagidae, Sciaridae, SIMULIIDAE, Tabanidae, Therevidae, Trypetidae, CERATOPOGONIDAE; CHIRONOMIDAE; CULICIDAE; DROSOPHILIDAE; GLOSSINIDAE; MUSCIDAE; TEPHRITIDAE; and PSYCHODIDAE. The larval form of Diptera species are called maggots (see LARVA). Flies, True,Flies,Dipteras,Fly,Fly, True,True Flies,True Fly
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D017753 Ecosystem A functional system which includes the organisms of a natural community together with their environment. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed) Ecosystems,Biome,Ecologic System,Ecologic Systems,Ecological System,Habitat,Niche, Ecological,System, Ecological,Systems, Ecological,Biomes,Ecological Niche,Ecological Systems,Habitats,System, Ecologic,Systems, Ecologic

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