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United States Department of Agriculture

Agricultural Research Service

Psocid ID: Picture Key
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psocid icon  Psocid ID:   Introduction | Picture Key             (G. Opit, J. Throne, and K. Friesen)

S1    Abdominal terga 3-4 not with a posterior membranous band (at least in the middle) (Section I) psocid, x100
 
S2    Abdominal terga 3-4 with a posterior membranous band (Section II) psocid, x100
 

1  -    Posterior part of abdomen darkened (abd. 8-10)
  Liposcelis brunnea      < click for details >     < large image >
psocid, x100
 
-    Abdominal terga 5-8 clearly annulated (anterior portions darker - sclerotized)
     Liposcelis decolor      < click for details >     < large image >
psocid, x100
 
-    Abdominal terga with purplish markings on the side (fading in the middle)
     Liposcelis entomophila      < click for details >     < large image >
psocid, x100
 
-    Abdominal terga 3-8 have an obvious sclerotized strip along anterior margin
     Liposcelis fusciceps      < click for details >     < large image >
psocid, x100
 

2  -    Color white to pale yellow; head and thorax darker than abdomen
     Liposcelis paeta      < click for details >     < large image >
psocid, x100
 
-    Sclerotized areas of body pale to medium brown; head and thorax darker than abdomen
     Liposcelis bostrychophila      < click for details >     < large image >
psocid, x100
 
-    Sclerotized areas grayish brown; antennae and palpi paler
     Liposcelis corrodens      < click for details >     < large image >
psocid, x100

Last Modified: 9/24/2013
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