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Entomology
VERMA, SHASHI, and N.C. PANT. 1975.
P e r s i s t e n c e of e n d o s u l f a n on 'mung' and
' a r h a r ' c r o p s . E n t o m o l o g i s t s ' N e w s l e t t e r
5 ( 4 ) : 2 5 . 701
P e r s i s t e n c e of e n d o s u l f a n r e s i d u e s has been
s t u d i e d t o e v a l u a t e t h e c h e m i c a l from t h e
c r o p - p r o t e c t i o n and s a f e t y a n g l e s . Endos
u l f a n at 0.7% was a p p l i e d at 500 to 700
l i t r e s / h a . a t t h e pod f o r m a t i o n s t a g e . The
r e s i d u e s o f e n d o s u l f a n i n l e a v e s and pods
were below t o l e r a n c e l i m i t ( 0 . 5 ppm) i n
about 10 and 8 days in a r h a r and below
d e t e c t a b l e l i m i t a t h a r v e s t . The p e r s i s ­
tence o f e n d o s u l f a n i n descending o r d e r
was a r h a r , summer mung, and monsoon mung.
E n d o s u l f a n gave 50% k i l l o f j a s s i d s f o r
about 3 to 5 days on mung and a r h a r and
was s i g n i f i c a n t l y e f f e c t i v e a g a i n s t pod
b o r e r s .
VERMA, SHASHI, and N.C. PANT. 1975.
E f f e c t o f p h o r a t e and e n d o s u l f a n t r e a t m e n t s
on growth parameters of mung and a r h a r
c r o p s . E n t o m o l o g i s t s ' N e w s l e t t e r
5 ( 8 - 9 ) : 4 1 - 4 2 . 702
Phorate was a p p l i e d a t 1.5 k g a . i . / h a i n
s o i l a t sowing time and 0.07% e n d o s u l f a n
was a p p l i e d at 500 to 800 L/ha at p o d -
f o r m a t i o n s t a g e . The c o m b i n a t i o n o f
p h o r a t e and e n d o s u l f a n when a p p l i e d a c c o r d ­
i n g t o schedule gave b e t t e r p r o t e c t i o n
a g a i n s t Heliothis armigera Hubner and
Exelastie atomosa Walsingham and s i g n i f i ­
c a n t l y more pods than w i t h t h e i n s e c t i c i d e s
i n d i v i d u a l l y .
VERMA, SHASHI, and N.C. PANT. 1976.
P e r s i s t e n c e o f p h o r a t e i n s o i l and i n
p l a n t s d u r i n g t h e development of mung and
a r h a r c r o p s . I n d i a n J . P 1 . P r o t .
4 ( l ) : 1 5 - 2 3 . 703
P h o r a t e was more p e r s i s t e n t in summer than
in t h e monsoon. V a r i e t i e s of mung had no
e f f e c t o n t h e d i s s i p a t i o n o f p h o r a t e i n
s o i l and i n p l a n t s d u r i n g b o t h t h e seasons.
D i f f e r e n t crops of mung and a r h a r have
a f f e c t e d t h e p e r s i s t e n c e o f i n s e c t i c i d e
b o t h i n s o i l and p l a n t s .
VISHAKANTAIAH, M . , M. JAYARAMAIAH, and
B . L . VISWESWARA GOWDA. 1973.
O b s e r v a t i o n s on t u r pod f l y , Melanagvomyza
o b t u s a M a l l o c h . ( D i p t e r a : Agromyzidae) i n
Mysore. C u r r . Res. 2 ( 8 ) : 6 2 . 704
The p e s t appeared in severe f o r m c a u s i n g
s u b s t a n t i a l damage to t h e g r a i n s . The
average I n f e s t a t i o n o f pod f l y was 89.28%.
A maximum of s i x pupae were observed in a
s i n g l e p o d . The damage to t h e g r a i n s and
l o s s i n g r a i n w e i g h t were 68.03 and 66.23%,
r e s p e c t i v e l y .
WALTON, R.R. 1961-62.
C o n t r o l of t u r plume moth Exelastis
atomoea. Report of Agresco. 1961-62. 705
WILLIAMS, I . H . 1977.
Behavior of i n s e c t s f o r a g i n g on pigeonpea
(Cajanus c a j a n ( L . ) M i l l s p . ) i n I n d i a .
T r o p . A g r i c . 54:353-363. 706
The b e h a v i o r o f i n s e c t s v i s i t i n g t h e
f l o w e r s o f Cajanus c a j a n ( L . ) M i l l s p . i s
d e s c r i b e d . A l t h o u g h i n s e c t s of many o r d e r s
were c a p t u r e d on t h e f l o w e r s , bees a n d ,
i n p a r t i c u l a r , Megaahile s p p . were p r o b a b l y
r e s p o n s i b l e f o r most c r o s s - p o l l i n a t i o n
t h a t o c c u r r e d . Megaahile s p p . and Apis
dorsata Fab. d i s c r i m i n a t e d between a
c u l t i v a r w i t h f l o w e r s o f normal s t r u c t u r e
and one w i t h f l o w e r s of a m o d i f i e d
s t r u c t u r e .
YADAV, D. 1967.
F i e l d e v a l u a t i o n o f d i f f e r e n t i n s e c t i c i d e s
a g a i n s t t h r i p s , Taeniothrips distalis Karny
o f red gram (Cajanus c a j a n ( L . ) M i l l s p . ) .
M.Sc. (1967) T h e s i s . J a w a h a r l a l Nehru
K r i s h i Viswa V i d y a l a y a , J a b a l p u r , Madhya
Pradesh, I n d i a . 707
YADAV, H . S . , G.A. GANGRADE, and S.S. JAKHMOLA.
1974.
Note on t h e r e l a t i o n s h i p between t h r i p s and
p o d - s e t t i n g i n t h e f l o w e r s o f pigeonpea.
I n d i a n J . A g r i c . S c i . 44(8) :555-556. 708
Two species of t h r i p s , Frankliniella
8ulphurea Schmutz, and T a e n i o t h r i p s nigric
o r n i s Schmutz were noted v i s i t i n g f l o w e r s
of pigeonpea when t h e buds began to u n f o l d ,
d e s e r t i n g them o n l y a f t e r t h e i n i t i a t i o n
o f pod development. S i g n i f i c a n t d i f f e r e n ­
ces were n o t i c e d in t h e development of pods
i n r e l a t i o n t o d i f f e r e n t l e v e l s o f t h r i p s
p o p u l a t i o n . Absence of t h r i p s was n o t
conducive to p o d - s e t t i n g . A moderate
p o p u l a t i o n o f t h r i p s (23 t o 150/10 f l o w e r s )
was p r o b a b l y b e n e f i c i a l t o f e r t i l i z a t i o n
and p o d - s e t t i n g .
YASEEN, M. 1975.
A f u r t h e r n o t e o n t h e i n t r o d u c t i o n o f
H e l i o t h i s p a r a s i t e s i n t o t h e l e s s e r
A n t i l l e s . PANS 2 1 ( 2 ) : 1 5 5 - 1 5 7 . 709
Tvichogrammatoidae armigera, Compolitie
chlorodaea and E u c e l a t o r i a s p p . were s e n t
t o t h e l e s s e r A n t i l l e s i n a n e f f o r t t o
e s t a b l i s h b i o l o g i c a l c o n t r o l o f H e l i o t h i s
93