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Entomology
L i m a n t r i d a e . U n l i k e t h e o t h e r l e a f - e a t i n g
c a t e r p i l l a r s o f t h i s g r o u p , t h i s one was
found to b o r e in and feed m o s t l y upon buds
and f l o w e r s of r e d gram. A s t u d y of t h e
b i o l o g y and l i f e h i s t o r y o f t h i s i n s e c t o n
the r e d gram crop has r e v e a l e d c e r t a i n
marked p e c u l i a r i t i e s .
RAINA, A . K . 1 9 7 1 .
O b s e r v a t i o n s o n b r u c h i d s a s f i e l d pests o f
p u l s e s . I n d i a n J . E n t . 3 3 : 1 9 4 - 1 9 7 . 665
It was observed t h a t t h e b e e t l e s of Calloaobruohua
ahineneis, a f t e r d e v e l o p i n g i n s i i e
the pods, f a i l e d t o f i n d t h e i r way o u t and
consequently d i e d i n s i d e t h e pods.
RAJAGOPALAN, C . L . K . , and J . P . DEVAKUMAR.
1965.
P r e l i m i n a r y s t u d i e s o n t h e i n f e s t a t i o n o f
Agromyza obtusa M a l l , in red gram (Cajanus
c a j a n ( L i n n . ) M i l l s p . ) . Madras A g r i c . J .
5 2 ( 8 ) : 3 4 5 - 3 4 6 . 666
Of 15 v a r i e t i e s t e s t e d , l a t e - m a t u r i n g
v a r i e t i e s had t h e l o w e s t pod and seed
i n f e s t a t i o n .
RAMAKRISHNAN, C, and P.S. NARAYANASWAMY.
1964.
I n s e c t i c i d a l c o n t r o l o f t h e p u l s e b e e t l e ,
(Bruchus theobromae L.) on r e d gram.
Madras A g r i c . J . 5 1 ( 1 ) : 3 0 - 3 1 . 667
For e f f e c t i v e c o n t r o l o f t h e p u l s e b e e t l e
on red gram, t r e a t m e n t w i t h toxaphene 10%
dust t h r e e times a t t r i w e e k l y i n t e r v a l s
commencing from the time o f f l o w e r i n g , i s
b e s t f o r i n c r e a s e d y i e l d s and t o t a l monet
a r y r e t u r n from the c r o p .
RANE, A . E . , and Y.M. TALEY. 1973-74.
F i e l d t r i a l w i t h i n s e c t i c i d e s f o r the
c o n t r o l o f p e s t s o f t u r (Cajanus c a j a n ) .
Nagpur A g r i c . C o l l . Mag. 4 6 : 2 0 - 2 1 . 668
A l l the t r e a t m e n t s t e s t e d were s i g n i f i c a n t ­
l y s u p e r i o r t o t h e check and a l l o f them
gave good c o n t r o l of Exelastis atomosa,
Catoohrysops s t r a b o , F. and H e l i o t h i s
armigera; T r i t h i o n and A l d r l n were found
t o b e c o m p a r a t i v e l y l e s s e f f e c t i v e a g a i n s t
H e l i o t h i s damage and Catoohrysops atrabo F.
r e s p e c t i v e l y .
RAWAT, R . R . , and S.S. JAKHMOLA. 1967.
E s t i m a t i o n o f l o s s e s i n g r a i n y i e l d i n
d i f f e r e n t v a r i e t i e s o f t u r (Cajanus cajan)
b y pod f l y , plume m o t h , p u l s e b e e t l e and
o t h e r means. Madras A g r i c . J . 5 4 ( 1 1 ) :
601-602. 669
The g r a i n l o s s as a r e s u l t of damage by
Melanagromyza obtusa, E x e l a s t i s atomoaa,
and Bruchus s p . was e s t i m a t e d in e i g h t
v a r i e t i e s . The t o t a l l o s s was l o w e s t i n
Type 148.
RAWAT, R.R., ZILE SINGH, and S.S. JAKHMOLA.
1969.
E f f e c t o f i n f e s t a t i o n o f b l o s s o m - t h r i p s o n
pod s e t t i n g in pigeonpea, Cajanus c a j a n ( L . )
M i l l s p . I n d i a n J . A g r i c . S c i . 3 9 ( 9 ) :
623-625. 670
I n comparison t o the pod f o r m a t i o n i n
p l a n t s t r e a t e d t w i c e a t weekly i n t e r v a l s
w i t h a 1:1 m i x t u r e of dimethoate 0.03% and
e n d r i n 0.02% a t t h e r a t e o f 750 l i t e r s per
h e c t a r e , a r e d u c t i o n of 36.0% in pod f o r m ­
a t i o n was observed i n t h e u n t r e a t e d p l a n t s
as a r e s u l t of i n f e s t a t i o n by blossomt
h r i p s .
REGUPATHY, A . , and R. RATHNASWAMY. 1970.
S t u d i e s o n comparative s u s c e p t i b i l i t y o f
seeds of c e r t a i n r e d gram (Cajanus c a j a n
( L . ) M i l l s p . ) v a r i e t i e s t o p u l s e b e e t l e ,
Callosobruohus c h i n e n s i s L. ( B r u c h i d a e :
C o l e o p t e r a ) . Madras A g r i c . J . 5 7 ( 2 ) :
106-109. 671
Of 18 v a r i e t i e s s t u d i e d , P-653 , PLS-201,
P-642, P-1066, T - 1 7 , and MS-9537 were
c o m p a r a t i v e l y r e s i s t a n t though n o t immune.
R e s i s t a n c e was a s s o c i a t e d w i t h l a r g e seeds.
Seed c o l o r , seed volume, seed h a r d n e s s ,
and e a r l i n e s s were n o t a s s o c i a t e d w i t h
r e s i s t a n c e .
SAHARIA, D . , and B. DATTA. 1975.
C o n t r o l of Heliooverpa armigera HB; a
s e r i o u s pest of Arhar (Cajanus cajan L . )
i n Assam. P e s t i c i d e s 9 ( 8 ) : 3 4 - 3 5 . 672
The e f f i c a c y of e n d o s u l f a n , c a r b a r y l , and
m a l a t h i o n , each a t t h r e e c o n c e n t r a t i o n s
a g a i n s t H. avmigera i n f e s t i n g pigeonpea
v a r . A g e t i (S-5) was s t u d i e d . The l e a s t
mean percentage i n f e s t a t i o n of pods and
t h e maximum y i e l d s were o b t a i n e d w i t h
e n d o s u l f a n . However, because e n d o s u l f a n
i s h i g h l y t o x i c , a c o n t r o l schedule c o n s i s ­
t i n g o f t h r e e s p r a y s , f i r s t w i t h e n d o s u l f a n
(28 g a . i . /100 L w a t e r ) , t h e second w i t h
m a l a t h i o n (50 g a . i . / l O O L w a t e r ) and t h e
t h i r d w i t h c a r b a r y l (50 g a . i . / l O O L w a t e r ) ,
a p p l i e d a t 15-day i n t e r v a l s , has been
s u g g e s t e d .
SANGAPPA, H . K . , and E.S. BALARAJU. 1977.
A n o t e on Calloaobruohua o h i n e n a i s Linnaeus
as f i e l d pest of red gram (Cajanus c a j a n
S p r e n g a l . ) . C u r r . Res. 6 : 1 0 5 - 1 0 6 . 673
89