146 NINETEENTH REPORT STATE ENTOMOLOGIST OF MINNESOTA—IQ22 
113. Genus PHYLLAPHIS Koch 1857. -Type: Apmis jagt- Ling 
naeus, 1758. Cauda globate; anal plate slightly emarginated ; sensoria 
oval. 
(123) PHYLLAPHIS FAGI (Linnaeus) Koch, 1857 
Not known from Minnesota. 
114. Tribe TAMALIINI. Type: Pemphigus coweni Cockerell, 
1g05. Antennae 6-jointed; cauda short and broad, not extending. 
beyond the anal plate; cornicular pores slightly raised above the sur- 
face; media with one branch. Found in gall-shaped folds or between 
united leaves. ‘Two genera may be recognized: 
a. Found in pod-like folded leaves of Arctostaphylus..... Genus TAMALIA 115 
b. Found in folded margins on the leaves of oak, or between united leaves.. 
Genus STEGOPHYLLA 116 
115. Genus TAMALIA (Pergande) Baker, 1920. Type: Pemphi- 
gus coweni Cockerell, 1905. Oviparous female sometimes alate ; media 
with 6ne branch in the fore wings; cauda entire, short, and rounded ; 
anal plate not divided. 
(124) TAMALIA COWENI (Cockerell) Baker, 1920 
Found in folded leaves of Arctostaphylus. 
116. Genus STEGOPHYLLA gen. nov. Type: Phyllaphis querci- 
cola Baker, 1916. The first generation is found in folded margins 
on oak leaves. Later generations spread on under side of leaves, or 
between those folded by other insects. Antennae 6-jointed ; media of 
fore wings with only one branch; in the sexuales both the male and 
the female are apterous; summer generations with conspicuous floc- 
culent matter. 
(125) STEGOPHYLLA QUERCICOLA (Baker) 
Found on white oak. 
117. Tribe ANOECIINI. Antennae 6-jointed, with rather large, 
round or oval sensoria, and covered with long hairs as in the Chaito- 
phorini; media with only one branch; cauda short, broad and rounded 
like the anal plate; sexes small and both apterous and provided with 
rostrum. One genus is known: - 
Rs ee Ren aan SP On Genus ANOECIA 118 
118. Genus ANOECIA Koch, 1857: Type: Aphis corni Fabricius, 
1775. One species is sometimes found in Minnesota: 
(126) ANOECIA CORNI (Fabricius) Koch, 185 
Found on dogwood. : 
a. Characters as for the tribe 
