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DELPHINIUM BRUNONIANUM Royle. Musk larkspur. 
In India the juice of the leaves was used to destroy ticks on 
sheep.— Watt ( 422 , v. 3, p. 64). 
This plant was used in India to destroy maggots in wounds. — Chopra 
and Badhwar ( 98 ) • 
DELPHINIUM COERULEUM Jacqem. 
In India the roots were applied to kill maggots in the wounds of 
goats. —Watt ( 422 , v. 3, p. 88). 
DELPHINIUM CONSOLIDA L. Field larkspur. 
A tincture of the seeds -kills lice on the human head.-- -Williams 
(428 , p. 875). 
The common larkspur was an effective insect poison .--Riley (325 , 
p. 114). 
Oil from larkspur seed was tested as a contact spray. A 2-percent 
oil emulsion was effective against red spiders and aphids, but of little 
value against thrips, potato beetle larvae, and cabbage worms. Young 
larvae of white flies were killed, but other stages proved resistant. 
It was of greater value against red scale than against San Jose scale. 
The alkaloids delcosine and dels oline Q from this plant} were tested as 
sprays, with and without soap, both as contact and stomach insecticides. 
A 0.042-percent solution of delcosine was effective against aphids and 
of value against thrips but not against red spiders. A 0.085-percent 
solution controlled aphids and thrips, but was of no value against 
mealybugs and white flies. Larvae of fall webworms put on apple foliage 
sprayed with 0.042- and 0.085-percent solutions of delcosine failed to 
feed normally and subsequently died, and larvae of imported cabbage worms 
put on cabbage foliage sprayed with 0.085 percent died. A 0.042-per- 
cent and a 0.085-percent solution of delsoline were effective against 
aphids but ineffective against red spiders and white flies. The letter 
solution was effective a gainst thrips. Fall webworms and cabbage worms 
died after feeding on sprayed foliage, but large larvae of a tiger moth 
wer e unhurt • — Davi dson ( 113 ) • 
DELPHINIUM EL* TDM L. 
This plant was used to destroy maggots in wounds in India.— Chopra 
and Badhwar (98). 
DELPHINIUM spp. Larkspur. 
In New South Wales in 1892 it was suggested that larkspur be planted 
in small patches near the breeding ground of grasshoppers to destroy 
this pest.— Anonymous (9). 
