Anacaena

Thomson, C.G., 1859

Anacaena is a of small in the tribe Anacaenini, containing at least 150 worldwide. range 1.5–3.3 mm in length. The genus is characterized by a slightly expanded second maxillary palpomere relative to the third, lack of metallic lustre on the , slight hydrofuge on metafemora, and a non-carinate . Species-level identification relies primarily on .

Anacaena signaticollis by (c) Matthew Pintar, some rights reserved (CC BY), uploaded by Matthew Pintar. Used under a CC-BY license.

Anacaena limbata by Jacy Lucier. Used under a CC BY-SA 4.0 license.

Pronunciation

How to pronounce Anacaena: /ˌænəˈsiːnə/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Distinguished from related by the combination of: second maxillary palpomere slightly expanded relative to third; lacking metallic lustre; metafemora with slight hydrofuge ; and without . identification requires examination of structure.

Images

Habitat

occur in side pools at riverbanks, often in leaf litter or bottom gravel. Some inhabit entirely terrestrial , including temporarily wet algal films over peat in high-altitude bogs. Philippine species documented from mountain creeks and rivers above 1000 m elevation in secondary forest and rural/agricultural areas. South African species found in fynbos-succulent karoo transitional zones.

Distribution

Worldwide distribution with at least 150 . In the Philippines, recorded from Greater Luzon, Greater Mindoro, Greater Palawan, and Greater Mindanao. European fauna includes five recognized species. South African species documented from Northern Cape, Western Cape, and Cederberg Range.

Behavior

have been collected using light traps.