THE ENTOMOLOGIST 



Vol. XXXV.l JULY, 1902. [No. 470. 



ADDITIONS TO THE FAUNA OF MEXICO (BEES AND 



COCCID^). 



By T. D. a. Cockerell. 



Pkof. C. H. T. Townsend has this year been exploring parts 

 of the State of Chihuahua, and has brought to Hght the following 

 forms, new to the Mexican fauna. 



Apoidba. 



Melissodes tristis malvina, n. subsp. — <? . Similar to M. 

 tristis, but smaller (length about 8^ mm.) ; eyes dark brown 

 (pale greenish or greyish in tristis) ; antennae with the flagellum 

 dark reddish beneath (bright ferruginous in tristis) ; nervures of 

 wings mostly piceous (ferruginous in tristis) ; pygidial plate 

 narrower ; otherwise as in tristis. The clypeus, labrum, and 

 mandibles are black, as in tristis. 



Blab. Cerro Chilicote, State of Chihuahua, Mexico, at mouth 

 of caiion on south side, March 22nd, 1902, at flowers of a species 

 of Malvaceae, apparently one of the purple species of Sidalcea. 

 Collected by C. H. T. Townsend. 



The following table separates the males of Melissodes in 

 which the clypeus is black : — 



Antennae reaching far beyond thorax ..... 1. 



Antennte not reaching beyond thorax ..... 3. 



1. Mesothorax with much black hair. (Calif.) . personatella, Ckll. 

 Mesothorax without black hair ..... 2. 



2. Larger, length about 10 mm. (New Mexico) . . tristis, Ckll. 

 Smaller, length about 8J mm. ; differing also as described 



above ......•• malvina, Ckll. 



3. Autennee scarcely reaching to scuteilum ; abdomen with- 



out bands. (Texas) intorta, Cr. 



Antennae reaching to metathorax ; abdomen banded . 4. 



4. Antennas black, mandibles without a yellow spot. (Oaxaca, 



Mexico) ........ assimilis, Sm. 



Flagellum bright ferruginous beneath, mandibles with a 



large yellow spot. (Sta. Fe, New Mexico) splmralcea, Ckll. 



ENTOM. — JULY, 1902. P 



