Morphology of the males of seven species of Ortheziidae (Hemiptera: Coccoidea)
Author
Vea, Isabelle M.
text
American Museum Novitates
2014
2014-08-29
2014
3812
1
36
http://www.bioone.org/doi/abs/10.1206/3812.1
journal article
5856
10.1206/3812.1
1a912893-6f4e-4800-af2a-8972614eb929
0003-0082
4598258
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.)