Anomaloninae

Anomaloninae is a of in the . Members are slender, ranging from small to large, and typically black or brownish with markings on the and legs. The subfamily is divided into two tribes: Anomalonini, which parasitize ( and ) and some larvae ( and ), and Gravenhorstiini, which parasitize Lepidoptera larvae. They are distinguished from other ichneumonid subfamilies by a highly reticulated propodeum, slender metasoma, fore with 3 rs-m absent, and swollen hind in males.

Anomalon picticorne by (c) Tyler Bishop, some rights reserved (CC BY), uploaded by Tyler Bishop. Used under a CC-BY license.

Trichomma by (c) https://doi.org/10.3897/zookeys.772.25288, some rights reserved (CC BY). Used under a CC-BY license.

Trichomma by (c) Alandmanson, some rights reserved (CC BY). Used under a CC-BY license.

Pronunciation

How to pronounce Anomaloninae: /ˌænəˈmɑːlənɪniː/

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

Identification

Distinguished from other by the combination of a highly reticulated propodeum, slender metasoma, absence of fore 3 rs-m, and swollen hind in males. The overall slender build and characteristic slow posture—with metasoma elevated, outstretched, and legs held out behind—aid in field recognition.

Images

Habitat

Occurs in nearly all forested including mixed forests, coniferous forests, and beech forests. Unlike most other groups, Anomaloninae are fairly common in dry habitats such as steppes and forest-steppe regions. In the Ukrainian Carpathians, have been recorded from elevations ranging from 200 to 1700 meters, including subalpine zones.

Distribution

worldwide. Documented from Palaearctic, Oriental, Holarctic, Afrotropical (sub-Saharan Africa), Australian, and Neotropical (Peru, Ecuador) regions. Specific regional records include France (15 , 62 ), Ukraine (Carpathians), Japan, sub-Saharan Africa (10 genera), and Australia (23 species).

Seasonality

periods vary by and region; in the Ukrainian Carpathians, seasonal dynamics have been documented across different elevations, though specific months are not detailed in available sources.

Host Associations

Coleoptera larvae (Tenebrionidae) - Anomalonini tribe
Coleoptera larvae (Elateridae) - Anomalonini tribe
Lepidoptera larvae (Noctuidae) - Anomalonini tribe
Lepidoptera larvae (Tortricidae) - Anomalonini tribe
Lepidoptera larvae (general) - Gravenhorstiini tribe
Dendrolimus spectabilis (Lasiocampidae) - of Therion giganteum in Japan
Paracles tapina (Erebidae: Arctiinae) - of Habronyx nigrofasciata in Peru/Ecuador

Life Cycle

. Females lay into larval , but the host is allowed to continue development to the pupal stage. emerge from the host .

Behavior

slowly in a characteristic pose with the metasoma elevated, outstretched, and legs held out behind the body. Some prefer dry such as steppes and forest-steppe regions, unlike many other groups that are restricted to moist environments.

Ecological Role

of and . Acts as a agent, with several providing services by attacking forest or orchard pests.

Human Relevance

Several are of potential economic importance as agents of forest and orchard pests. Specific species have been noted for their value in managing lepidopteran pests in forestry and agriculture.

Similar Taxa

Other Ichneumonidae subfamiliesAnomaloninae are distinguished by the highly reticulated propodeum, absence of fore 3 rs-m, and swollen hind in males—features not combined in other .

More Details

Tribal classification

The is divided into two tribes: Anomalonini ( of in and , and some larvae in and ) and Gravenhorstiini (parasitoids of Lepidoptera larvae).

Taxonomic diversity

The includes at least 15 in France, 10 genera in sub-Saharan Africa, 8 genera documented from the Ukrainian Carpathians, and 23 in Australia. Notable genera include Anomalon, Agrypon, Aphanistes, Barylypa, Heteropelma, Perisphincter, Therion, Trichomma, Habronyx, Parania, and Erigorgus.