rom AR,EVIEW OF THE LITERATURE, 1941- 1953

ASPIDOSPERMA NITIDUM Benth.
Aqueous extracts of the bark were only
slightly toxic to American cockroaches
when injected into the blood stream, and
German cockroaches were unaffected after
immersion in the extract. A petroleum
ether extract was ineffective against Aedes
mosquito larvae.--Heal and coworkers (93).
CAMERARlA BELIZENSIS StandI.
An aqueous extract of the roots was nontoxic
to American cockroaches when injected
into the blood stream, and German
cockroaches and milkweed bugs were unaffected
after immersion in the extract.-­
Heal and coworkers (93).
CAMERARIA LA TIFOLlA L.
An aqueous extract of the stems and
leaves was nontoxic to American cockroaches
and only slightly toxic to German
cockroaches.--Heal and coworkers (93).
CARISSA GARANDAS L.
An aqueous extract of the branchlets and
leaves was nontoxic to American cockroaches
when injected into the blood stream,
and German cockroaches and milkweed bugs
were unaffected after immersion in the
extract.--Heal and coworkers (93).
GERBERA T ANGHIN Hook. Ordeal bean.
The powdered seeds from Madagascar
were ineffective against Mexican bean beetle
larvae.--Hansberry and Clausen (86).
DIPLORRHYNCUS MOSSAMBIGENSIS
Benth.
An aqueous extract of the roots was nontoxic
to American cockroaches when injected
into the blood stream, and German
cockroaches and milkweed bugs were unaffected
after immersion in the extract.-­
Heal and coworkers (93).
ECHITES PELTATA Yell.
An aqueous extract of the stems, leaves,
and flowers was toxic to American cockroaches
when injected into the blood stream,
but German cockroaches and milkweed bugs
were unaffected after inunersion in the
extract.--Heal and coworkers (93).
17
ECHITES RUBRO- VENOSA Linden
An aqueous extract of the stems and
leaves was toxic to American cockroaches
but not to German cockroaches and milkweed
bugs.--Heal and coworkers (93).
ECHITES UMBEL LATA Jacq.
An aqueous extract of the tubers was very
toxic to American cockroaches when injected
into the blood stream, but Germa.n
cockroaches were unaffected after immersion
in the extract. An extract of the
branches and leaves was toxic to American
cockroaches but not to German cockroaches
and milkweed bugs.--Heal and coworkers
(93 ).
ELYTROPUS CHILENSIS Muell. Arg.
An aqueous extract of the stems and,
leaves was highly toxic to American cockroaches
when injected into the blood stream,
but German cockroaches and milkweed bugs
were unaffected a.fter immersion in the
extract. Petroleum ether, alcohol, and
chloroform extracts were toxic to black
carpet beetle larvae, but not to German
cockroaches, milkweed bugs, and larvae
of the we bbing clothe s moth and Aede sand
Anopheles mosquitoes. An aqueous extract
of the roots was nontoxic to American and
German cockroaches and milkweed bugs.-­
Heal and coworkers (93).
FERNALDIA PANDURATA (A. DC.) Wood­
Son. Synonym: Urechites Karwinskii.
An aqueous extract of the sterns and
leaves was toxic to American cockroaches
when injected into the blood stream, but
German cockroaches and milkweed bugs
were unaffected after immersion in the
extract.--Heal and coworkers (93).
FORSTERONIA CORYMBOSA G. F. W. Mey.
An aqueous extract of the stems and
leaves was nontoxic to American cockroaches
when injected into the blood stream,
and German cockroaches and milkweed bugs
were unaffected after immersion in the
extract. An alcohol extract was ine£fective
against German cockroaches and the larvae
of the black carpet beetle, webbing clothes
moth, and Aedes and An0f,heles mosquitoes.--Heal
and coworkers 93).
FORSTERONIA LEPTOGARPA (Hook. &.
Arn.) A. DC. Synonym: F. brasiliensis.
An aqueous extract of the stems and
leaves was toxic to American cockroac.hes