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Species Ochlerotatus japonicus - Asian Rock Pool Mosquito

Aedine eggs - Ochlerotatus japonicus from 4th instar to adult - Ochlerotatus japonicus from 4th instar to adult - Ochlerotatus japonicus from 4th instar to adult - Ochlerotatus japonicus mosquito from rain barrel - Ochlerotatus japonicus mosquito from rain barrel - Ochlerotatus japonicus - female Asian Rock Pool Mosquito - Ochlerotatus japonicus Unknown Culicidae sp. - Ochlerotatus japonicus - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Nematocera" (Non-Brachycera))
Infraorder Culicomorpha (Mosquitoes and Midges)
Family Culicidae (Mosquitoes)
Tribe Aedini
Genus Ochlerotatus
Species japonicus (Asian Rock Pool Mosquito)
Synonyms and other taxonomic changes
Ochlerotatus japonicus, Aedes japonicus
Explanation of Names
japonicus is Latin for "Japanese": they originally came from Japan in 1998.
The head is dark colored and the abdomen is creamy colored.

Adult Female:
The pattern on the scutum is distinctive. There are 5 golden striped scales and the lateral scales are pale and white in a lyre shape. There are also broad pale basal bands on the hind tarsomeres. The proboscis is dark and unbanded, sometimes with silvery scales.
The eggs are usually laid in the rim of an artificial container. Any aritifical container will do for the larvae as long as it has enough food (decaying organic matter)
Larvae: March - November
Adults: June - October
Females prefer blood from mammals
Life Cycle
Overwinters as an egg or larva. Multivoltine
This species was accidentally introduced from Japan in the late 90s. It was first identified in 1998 in New Jersey. It is now known that it is an important vector of West Nile Virus. The females are very aggressive biters
Internet References
Rutgers University has many technical details for identification as well as general information.