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the specimens as unmistakably chinch hugs, hut much darker than the 
United States variety. 
A false chinch hue (apparently, llysiu s sp.) - , influenced hy the 
sane meteorological conditions as Blinsus l eucopterous Say, appeared 
in alarming number in the cornfields in the State of Hidalgo. 
In the State National Park Desierto de Los Leones, Federal District 
near Mexico City, Lachnus sp. was extremely ahundant during May, attacking 
young trees of Abies religios a. The stems were in some cases covered 
with a crust of aphids for a span of two meters. 
Halisidota caryae Harr. defoliated many rose hushes in and around 
Mexico City during August. In some cases corn was attacked and small 
plantations in gardens were entirely destroyed. 
During a visit to the West Coast of Mexico, in the month of June, 
the joint commission composed of Mr. Trotman and Mr. Townsend from 
the Plant Quarantine and Control Administration, U. S. Department of 
Agriculture, Washington, and Mr. I. Hernandez Olmedo from the Oficina 
Federal para la Defense. Agricola, Mexico Secretaria de Agricultura, 
located the following infestations of fruits hy larvae of the genus 
Anastrepha: 
In guayaba (Psic'ium) in Mazatlan, State of Sinaloa, 
prohahly Anastreph a striata Schin. 
In Mexican plums (Spondias), in Mazatlan, Sinaloa, 
prohahly A. fratercula 'Tied. 
In sour oranges, Tepic, Nayarit, prohahly A. ludens Loew. 
• In Caimito ( Chrysophyllum cainito ) , 21 Dorado, Sinaloa; 
one adult obtained proved to he A. serpentina VJied. 
This extends the known infested zone considerably to the northwest. 
On their return trip, the U. S. commission was accompanied by 
Mr. E, Coppel Rivas and additional investigations were made, with the 
result that fruit fly larvae prohahly A. striata were also found in 
Culiacan, Sinaloa, in guayabas. 
