Steingeliidae
Morrison, 1927
Genus Guides
1Steingeliidae is a small of scale insects within the order Hemiptera, containing approximately 5 and 10 described . The family was established by Morrison in 1927 and is classified within the superfamily Coccidoidea. Members are placed in the infraorder Coccidomorpha alongside other scale insects and mealybugs. The genus *Steingelia* is the type genus, described by Nasonov in 1908.
Pronunciation
How to pronounce Steingeliidae: //ˌstaɪŋɡəˈli.aɪ.diː//
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Identification
Steingeliidae can be distinguished from other insect by features of the female , including specific arrangements of wax glands and body segmentation patterns. The family is morphologically intermediate between more derived Coccoidea families and primitive scale insect lineages. Precise identification requires microscopic examination of slide-mounted specimens.
Distribution
Distribution records indicate presence in Southeast Asia (SE). The fossil †*Palaeosteingelia* from Lebanese amber suggests historical distribution in the Middle East during the Cretaceous period.
Host Associations
- Araucaria - plant *Araucaricoccus* is associated with this conifer genus
- Coniferales - plant *Conifericoccus* is associated with conifers
Similar Taxa
- PseudococcidaeBoth contain mealybug-like scale insects; Steingeliidae differs in having more primitive morphological features and reduced wax secretion
- CoccidaeSoft scale insects share general body plan but differ in anal ring structure and glandular arrangements
More Details
Fossil record
The extinct †*Palaeosteingelia* was described from Early Cretaceous Lebanese amber by Koteja & Azar in 2008, representing one of the few fossil records for this and providing evidence for the ancient origin of the lineage.
Taxonomic history
The has undergone various taxonomic treatments, with some authors treating it as a of Margarodidae or placing it near Ortheziidae due to shared primitive characteristics.