..... ■■;.' .' -412- , 
surface of the soil. From August 13 to October 8 this caterpillar was abundant 
and harmful, causing the death of twigs. (Det. Schaus.) 
The moth Hyohypena colnodes Teal's, is not serious; caterpillars and pupae 
are scattered mostly on outer leaves of avocado; naked puoae on tipper surface of 
leaves. Observed at San Pedro de Montes de Oca from May 10 to September,' the 
caterpillar of this insect was usually nresent but not numerous on avocado and 
rather hard to collect because it feeds uoon leaves on rather inaccessible branches. 
(Det. Busck. ) - ' ' 
The moth borer Hypsipyla grandella Zell. destroys the greater nart of young 
cedar trees at the school at San'Pedro de Montes de Oca before they attain 1 
meter height.. Larvae -have been abundant since first observed June 27 until the 
present time,' September 9. More adults of the moth borer have emerged. It pre- 
fers C. montana yar.- me&icana Turcz. to C. glaziovii var. -puberula CDC. (Det. 
C. Heinrich.) 
Three . s-oecimens of moths reared from the leaves of roble da sabana, C our ali a 
rosea Donnell-Sm. , San Pedro do Montes de Oca, July, determined by W. Schaus as 
Mesocondyla concordali s Hbn. August 13 to September 8 more adults of the leaf- 
eating caterpillar have emerged on C.- ro sea . This caterpillar is' very harmful to 
C. rosea . . (October 8.) 
A- cicadellid, Cicadella areolata Sign., is usually found on arrowroot, but 
does little if any damage. It is a frequent visitor to bean plants and also 
feeds on caiba ( Cyclanthera pedata Schrad. , fam. Cucurbitaceae) , San Pedro de 
Montes de Oca. On a young tree in Paso Ancho de San Sebastian the tender young 
leaves of orange were injured by it. C. areolata is also found on pitanga (5u- 
genia uni flora ) . August 13 to September 8. This insect feeds on the leaves of 
aguacatillo ( Fho eb e tonduzii ) , a tree we ar-e trying out as a stock for avocado, 
but the' insect' is not important, San Pedro de Montes de Oca. It has been taken 
on dahlia at Naranj<ft; feeds on the leaves of malacca pear ( Eugenia malaccensis ) 
without doing much damage. (October' 81) 
■' Cicadella nardalina Fowl, feeds upon the leaves of malacca -near without do- 
ing much damage. It is injurious on tender shoots of pear, and bjreeds on poro 
( grythrina rubrinervia) . October 8. This insect is also found on cashew, but 
is never abundant.' It is a pest of some importance on quince. (August 13 to 
Septemb er 8. ) ', 
A cicadellid, Gyponr. vulnerata ^7alk. , does some damage on tender tins of 
apple at San Pedro de Montes de Oca, and frequently feeds on Casuarina equiseti- 
folia L. It also attacks cherimoya, dahlia, lemon, orange,- pear, pecan, and 
soursop.. September 9. .This insect feeds on the tender shoots of avocado, but 
appears to do little damage to coffee in San Pedro de Pontes de Oca and Paso 
Ancho de San Sebastian, and is not very harmful on orange. (October 8.) 
A membracid, Stictpce-phala festina Say, is a frequent visitor to red clover,' 
San Pedro de Montes de Oca, September 9. 
Memb rac i s mexi cana Guer. is frequently, found on apple, but appears to do 
little damage. It is found on camellia, usually found on Dovyalis hebecarpa 
.Tarb., and occasionally on guachipelin ( Diph.ysa robiniodes Benth.). It is fre- 
