Elenchidae
Perkins, 1905
Genus Guides
1- Elenchus(Planthopper Twistwing Parasites)
is a of Strepsiptera, commonly known as twisted-wing parasites. Members are endoparasitoids that develop inside insects. The family includes such as Elenchus yasumatsui, which parasitizes the Nilaparvata lugens, a major rice pest. males are short-lived and free-living, while females remain endoparasitic within the host.
Pronunciation
How to pronounce Elenchidae: /ɛˈlɛn.kɪˌdeɪ/
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Images
Habitat
Rice fields (based on association with Nilaparvata lugens)
Distribution
Thailand; Denmark; Norway; Sweden
Host Associations
- Nilaparvata lugens (Stål) - endoparasitoid, key rice pest
Life Cycle
Triungulin (1st instar): 2-6 days, elongated and flattened body with distinct appendages. 2nd instar: 4 days, maggot-like form. 3rd instar: 4-7 days. 4th instar: 4-7 days. Pupa: 6-7 days, enclosed in sac with dark brown pupal cap that extrudes from . male: 14 days total from initial ; adult lifespan approximately 4.1 hours.
Behavior
Endoparasitoid development occurs entirely within body. Pupal cap extrudes from host prior to . Adult males have been observed mating in laboratory conditions.
Ecological Role
Potential agent for rice pest , specifically through of Nilaparvata lugens.