ORTHEZIIDAE BASED ON

Vea, Isabelle M., 2014, Morphology of the males of seven species of Ortheziidae (Hemiptera: Coccoidea), American Museum Novitates 2014 (3812), pp. 1-36 : 3-4

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.)