1054 WattTeR H. WELLHOUSE 
eS : ——- Fag ORTHOPTERA 
Acridiidae ~ 
atlanis Riley, Melanoplus 
bivittatus Say, M. 
femur-rubrum De Geer, M. 
The common grasshop- 
pers Melanoplus atlanis, 
M. bivittatus, and M. 
femur-rubrum sometimes 
leave their herbaceous host 
plants tofeed on the foliage 
of the lower branches of 
hawthorn trees. The older 
nymphs and adults have 
been observed feeding in 
August and September. 
They feed irregularly on 
the leaves, sometimes eat- 
ing the entire leaf and 
sometimes eating only the 
apex or one side of it. 
HEMIPTERA 
Miridae (Capsidae) 
Fic. 106. THORN LEAF POUCH GALLS 
communis Knight, Lygus 
One adult of Lygus communis was taken on June 21 and four were taken 
on August 2, puncturing the leaves of Crataegus punctata. 
dislocatus Say, Horcias 
A few adults of Horcias dislocatus were found feeding on leaves of Cra- 
taegus punctata in June. They are black, rather stout, and 6 millimeters long. 
malinus Reuter, Heterocordylus 
(Dark apple redbug) 
Nymphs and adults of Het- 
erocordylus malinus are very 
common on native hawthorns, 
where their red color and rapid 
running over the branches 
make them very conspicuous. 
The young nymphs begin to yg. 107. cross SECTION THROUGH A THORN LEAF 
appear about April 15, when POUCH GALL 
