Numbers
14 species in North America, divided into 3 subgenera:
Psorophora,
Grabhamia and
Janthinosoma. (
nearctica.com)
Identification
Adult:
- Pre and postspiracular setae present
- Pointed abdomen
- Pale transverse bands, when present, apical on abdominal terga.
Larvae:
- Saddle completely encircles segment X, pierced along midventral line by row of precratal setae
- Siphon with 1 pair of setae, often bulbous toward center.
Range
New World only, mostly south temperate or tropical.
Habitat
Larvae of North American species associated with temporary summer rainpools. Eggs deposited on damp or dry mud, hatching upon flooding.
Food
Males and females feed on plant juices and nectar, honeydew etc. Females require a bloodmeal to develop eggs.
Life Cycle
Eggs laid singly on in clusters on damp or dry mud of temporary rainpools. Some species predaceous as larvae, others are filter-feeders. Overwintering is in the egg stage in temperate climates.
Remarks
*Information on this page provided by Sean McCann.
Contributed by
tom murray on 15 September, 2005 - 2:50pm
Additional contributions by
Lynette,
Omar FahmyLast updated 23 April, 2007 - 8:55am
