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Cyptocephala Berg, 1883

Cyptocephala Berg, 1883: 209-210.

Crato Distant, 1893: 457. (syn. by Rolston & McDonald, 1984)

Thyanta (Parathyanta) Jensen-Haarup, 1928: 186. (syn. by Rolston & McDonald, 1984)

Type Species: Cyptocephala: Cyptocephala cogitabunda Berg, 1883, by monotypy. Crato: Crato urbicus Distant, 1893 (= Pentatoma antiguenisis Westwood, 1837), by monotypy. Parathyanta: Thyanta elegantula Jensen-Haarup, 1928 (= Cyptocephala cogitabunda Berg, 1883), by original designation.

Included Species:
    alvarengai Rolston
    antiguensis (Westwood)
    bimini (Ruckes)
    cogitabunda Berg
    elegans (Malloch)
    pallida Rolston
 

Key to species of Cyptocephala

1      Wide, white, calloused band on each side ventrally, beginning beneath eye and continuing across pleura with interruptions at anterior and posterior pleural margins (southern Florida, southern Texas)

elegans (Malloch)

-      Venter lacking calloused band

2

   

2(1)  Juga projecting slightly past tylus, producing shallow emargination in apex of head (Argentina, Bolivia, Uruguay)

cogitabunda Berg

-       Apex of head smoothly arcuate

3

 

 

3(2)   Anterior lobe of parameres acute apically; maximum length of each 9th paratergite less than twice its maximum width (northeastern Brazil)

alvarengai Rolston

-        Anterior lobe of parameres narrowly to broadly rounded; maximum length of each 9th paratergite about 2.5 times its maximum width

4

 

 

4(3)   Females

5

-        Males

7

 

 

5(4)   Basal plates tumescent, from lateral view disc protruding beyond mesial margin of plates at base (southern California, Arizona, Texas, and Florida ranging south through West Indies and Central America to northern South America)

antiguensis (Westwood)

-        Basal plates convex but not tumescent, disc not protruding beyond mesial margin of plates at base

6

 

 

6(5)   Minimal distance between 9th paratergites 1.5-2.0 times length of 10th sternite; basal plates somewhat umbonate in apical angle; last two segments of antennae without apical bands (south Florida, Bahama Islands, Cuba, Dominican Republic, Jamaica, Puerto Rico)

bimini (Ruckes)

-        Minimal distance between 9th paratergites 1.2-1.3 times length of 10th sternite; basal plates lacking umbo; last three segments of antennae bicolored, pale green to cream basally, rufous to light brown distally (Virgin Islands, Hispaniola)

pallida Rolston

 

 

7(4)   Ventral margin of parameres foliate (south Florida, Bahama Islands, Cuba, Dominican Republic, Jamaica, Puerto Rico)

bimini (Ruckes)

-        Ventral margin of parameres not expanded

8
   

8(7)   Width of scutellum at end of frena less than two-fifths of basal width; carina entad of parameres on each lateral wall of genital cup at least partially visible (Virgin Islands, Hispaniola)

pallida Rolston

-        Width of scutellum at end of frena two-fifths or more of basal width; denticle entad of parameres on each lateral wall of genital cup concealed by parameres (southern California, Arizona, Texas, and Florida ranging south through West Indies and Central America to northern South America)

antiguensis (Westwood)

 

Cyptocephala elegans
elegans (Malloch)


antiguensis (Westwood)

 

 

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David A. Rider
Professor of Entomology
North Dakota State University
E-Mail: David.Rider@ndsu.edu

 
Published by the Department of Entomology 


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