Ortheziidae BASED ON
Creators: name: Vea, Isabelle M.
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Ortheziidae

description: IDENTIFICATION KEY TO THE RECENT SPECIES OF THE ORTHEZIIDAE BASED ON ADULT MALES  1. Hamulohalteres absent; setae on legs long and hairlike................................................2  
– Hamulohalteres present; setae on legs short and spinose along ventral margin……….....3  
 2. Trochanter and femur not fused; with 3 alar setae on forewing..................................................................................................................... Newsteadia americana Morrison   
 – Trochanter and femur fused; with 1 alar seta on forewing..... Newsteadia floccosa (De Geer)   
3. Compound eyes each with obviously more than 100 ommatidia; fleshy setae on body pointed apically.....................................................................................................4  
 – Compound eyes each with obviously less than 100 ommatidia; body fleshy setae thick and round.................................................................... Graminorthezia graminis (Tinsley)   
4. Median ridge on sternite IX present..........................................................................5  
– Median ridge on sternite IX absent.............................................................................8  
 5. Antennae almost twice body length; with long fleshy setae, each twice length of other abdominal setae, present on dorsal abdominal segments.. Insignorthezia insignis (Browne)   
– Antennae not longer than 1.5 X body length; fleshy setae on abdominal segments about same length as hairlike setae...................................................................................6  
 6. Loculate pores absent on dorsal part of epicranium; tubular duct plate on tergite VII divided into lateral groups of ducts; loculate pores on abdominal segments, each usually with 3 loculi only occasionally with 4 loculi..................... Praelongorthezia praelonga (Douglas)   
– Loculate pores present on dorsal part of epicranium; tubular duct plate on tergite VII not divided into lateral groups of ducts, each plate complete; loculate pores each with at least 4 loculi......7  
 7. Body length less than 2 mm; loculate pores on abdominal sternites absent........................................................................................................... Orthezia sp. (in Koteja, 1986)   
 – Body length more than 2 mm, multilocular pores on abdominal sternites present............................................................................... Orthezia sp. (in Hodgson and Foldi, 2006)   
 8. Each tubular duct plate on tergite VII with fewer than 10 tubular ducts; capitate setae present on antennal segments......................................................................................................................? Orthezia graminicola Morrison (but see comments in description)   
– Significantly more than 10 tubular ducts on tergite VII; capitate setae absent on antennal segments................................................................................................................9  
 9. With less than 50 tubular ducts on tergite VII; body less than 2 mm long; setae on appendages with a mixture of short and significantly longer setae................................................................................................................................... Orthezia annae (Cockerell)   
– With significantly more than 50 tubular ducts on tergite VII; body more than 2 mm long; longer setae on appendages absent..........................................................................10  
 10. Dorso-midcranial ridge reaching postoccipital suture; tubular ducts on anterior margin of tergite VII surrounded by two types of peripherical setae, one type almost twice as long as others and broadening at midlength; with dermal structures throughout the body except for appendages; hamulohalteres with 3 hamuli.................. Orthezia newcomeri Morrison   
 – Dorso-midcranial ridge not reaching postoccipital suture; tubular ducts on anterior margin of tergite surrounded by only one type of seta; dermal structures throughout the body absent; hamulohalteres with 2 hamuli............................................. Orthezia urticae (L.)
description: Published as part of Vea, Isabelle M., 2014, Morphology of the males of seven species of Ortheziidae (Hemiptera: Coccoidea), pp. 1-36 in American Museum Novitates 2014 (3812) on pages 3-4, DOI: 10.1206/3812.1, http://zenodo.org/record/4598258