rom AR,EVIEW OF THE LITERATURE, 1941- 1953

eetle larvae but not to German cockroaches,
milkweed bugs, confused flour
beetles, and larvae of the webbing clothes
moth and Aedes mosquito. Alcohol and
petroleum ether extracts were toxic to
black carpet beetle larvae only. An aqueous
extract of the leaves showed some toxicity
to American cockroaches but not to the
other species. Alcohol and petroleum ether
extracts of the leaves were nontoxic to
all the above species.--Heal and coworkers
(93 ).
THEVETLA OVATA A. DC.
An aqueous extract of the fruits was very
toxic to American cockroaches and black
carpet beetle larvae, but nontoxic to German
cockroaches, milkweed bugs, confused
flour beetles, and larvae of the webbing
clothes moth and Aedes mosquito. Alcohol
and petroleum ether extracts were toxic
to black carpet beetle larvae but nontoxic
to the other insect species.--Heal and
coworkers (93).
THEVETIA THEVETIOIDES (H. B. K.) K.
Schum.
The powdered seeds were ineffective
against Mexican bean beetle larvae. - -Hansberry
and Clausen (86).
TONDUZIA LONGIFOLIA (A. DC.) Markgr.
An aqueous extract of the bark was nontoxic
to American, cockroaches when injected
into the blood stream, and German
cockroaches were unaffected after immersion
in the extract. An alcohol extract was
ineffective against German cockroaches and
milkweed bugs. - -Heal and coworkers (93).
TRACHELOSPERMUM DIFFORME (Walt.)
Gray.
An aqueous extract of the tops was toxic
to American cockroaches when injected into
the blood stream, but German cockroaches
were unaffected after irnme:lI'Sion in the
extract.--Heal and coworkers (93).
URECHITES LUTEA (L.) Britt. Synonym:
U. suberecta.
An aqueous extract of the whole plant was
nontoxic to German and American cockroaches
and milkweed bugs.--Heal and
coworkers (93).
An acetone extract of the leaves was
toxic to mosquito larvae.--Jacobson (108).
VALLESIA GLABRA Link.
An aqueous extract of the branche sand
leaves was somewhat 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).
VINCA MINOR L.
An aqueous extract of the whole plant 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).
23
VINCA ROSEA L. Synonym: L 0 c h n era
rosea.
German cockroaches and milkweed bugs
were unaffected after immersion in an
aqueous extract of the branchlets and Leaves.
An alcohol extract was likewise nontoxic to
these insects.--Heal and coworkers (93).
VOACANGA GLOBOSA (Blanco) Merr.
An aqueous extract of the fruits was
highly toxic to American cockroaches but
nontoxic to German cockroaches, milkweed
bugs, and larvae of the we bbing clothe s
moth and Aedes and Anopheles mos'luitoes.
Alcohol and petroleum ether extracts were
nontoxic to German cockroaches, milkweed
bugs, webbing clothes moths, and Aedes
and Anopheles mosquitoes. --Heal and coworkers
(93).
AQUIFOLIACEAE
ILEX CORIACEA (Pursh.) Chapm.
An aqueous extract of the branchlets and
leaves was toxic to American cockl:oaches
when injected into the blood stream, but
German cockroaches and milkweed bugs
were unaffected after immersion in the
extract. --Heal and coworkers (93).
ILEX GLABRA (L.) Gray.
An aqueous extract of the fruits was
toxic to American cockroache s, but nontoxic
to German cockroaches and milkweed
bugs. --Heal and coworkers (93).
ILEX PARAGUARIENSIS A. St. Hil. Paraguay
tea.
Acetone and water extracts of the leaves
were ineffective against mosquito larvae. -­
Hartzell (89).