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INSECT CONDITIONS IN COSTA RICA DURING- AUGUST, SEFTBffiER, AND OCTOBER, 1932 
• + ■: C. 'H". Ballou 
(. San Jose, Costa Rica 
Diestostemma rugicolle - Sign, is doing little if ahy damage, to coffee in 
San Pedro de Montes de Oca and Paso Ancho de San Sebastian .(October. 8).- This in- 
sect feeds on . Casuarina . " ... • ' 
. Macro dactyl us costulatus Bates and Paula brunnei-pennis Bates were observed 
on peach leaves and buds in May and June and caused considerable damage on leaves 
and buds from May to the middle of July at San Pedro de Montes de Oca. (Det. 
3. A. Chapin. ) . ■'-■ 
In May, June, and July the beetle Colasnis t?rasina Jacoby was bad on the 
leaves of eggplant at San Pedro de Montes de Oca. ..(Det.* H. S. Barber.) 
Diabrotica corusca Jacoby and D. t heimei Baly were taken August 5 on Cucur- 
bita fici folia Bouche at San Pedro de Montes de Oca. (Det. H. 3. Barber.) 
L > » 
The weevil Geraeus senilis Gyll> was observed pn the axils of corn leaves 
July 9 at San Pedro de Montes de Oca. (Det. L. L. Buchanan.) 
The caterpillars of Larhygma f rugj-perda S. & A. were very harmful on half- 
grown corn plants in late June and July, San Pedro de Montes de Oca. At La 
Palma, October 4,- this insect was doing -considerable damage to corn. (Det. ".'. 
Schaus. ) • 
The moth borer Azochis gri-pusalis Walk, was harmful during the entire year 
to figs, discouraging the growing 'of this fruit. Adults are still emerging 
(August 13) from caterpillars that I have been rearing since May '28'. The old 
borings are often" occupied by families of earwigs. Tnis moth borer is beginning 
to become serious again on fig, October 8.' San Pedro de Montes. de Oca. (Det. 
Schaus. ) • • ' . .','•, .'.■•■, 
Moths of Stenoma sororia Zell. are very bad; caterpillars fasten leaves to- 
gether and eat between and bore into buds and tender twigs; pupae between leaves; 
observed .May 28 to August" 13, San Pedro de Mdnt'es de Oca. (Det. A, 'Busck. ) 
August 13 to October 8 the -caterpillars' of this- insect were! abundant and harmful, 
causing the death '.of twigs of avocado at San Pedro de Montes de Oca. 
A tent-cater-pillar, Stericta albifascia.ta Druce, has been found, on avocado 
at San Pedro de Montes de Oca; the tents were small, -probably, because I dis- 
covered, them and destroyed them before they had done much damage., Pupae covered 
with soil are on the surface of the soil. (August 13.) .(Det. Schaus.) 
The., tent caterpillar Jocara subcuro alis Sens. ? appears to.be more harmful 
than Stericta albifasclata Druce, defoliating and destroying tender bark on 
small branches and causing loss of branch. Pupae in leaf trash. .. June 24. to 
August .13. San Pedro de Montes de Oca. ■ (Det .' Schaus. ) 
Jocara claudalis Mosch. is bad on avocado at San. Pedro de Montes de Oca.. - 
The new. brood of caterpillars. 'was-' at work August 12; it" pupates jupt below the 
