11 
4. Chionaspis citri Comst.—Found abundantly in Tampico, October 14, on orange. 
It was very bad on leayes, fruit, twigs, and bark of trunk and branches; also badly 
infesting tangerine orange in Tampico. 
This species is found elsewhere in Cuba, Louisiana, Trinidad, Demerara, Australia, 
and New Zealand. 
5. Ceroplastes ceriferus Anders.—This was found in Cuantla on red-flowering Hibis- 
cus, badly massed on branches in plaza, October 7. A lepidopterous larva was found 
preying upon it. 
This species furnishes the Indian white wax, and occurs elsewhere in India, Aus- 
tralia, Antigua, and probably Brazil. It has been collected in Guanajuato, Mexico, 
by Dr. A. Duges. 
6. Ceroplastes mexicanus Ckll. n. sp.—San Luis Potosi, October 12, on Catalpa. Adult 
scales found singly on branches, and what appear to be the young on upper side of 
leaves. Also found on Tecoma stans at Guaymas, September 24. 
7. Aspidiotus ficus Ashm.—Very bad on fruit and leaves of orange in plaza in Tam- 
pico, October14. Also very bad on tangerine orange in Tampico. Also bad on orange 
in Matamoras, December 9. In Chihuahua, con leaves of tree called ‘‘palo dulce.” 
This species occurs elsewhere in Florida, Cuba, Jamaica, and Australia. It has 
been recorded from Vera Cruz, Mexico, by Cockerell. . 
8. Aspidiotus neriti Bouché.—Very bad on oleander in Chihuahua and Aguas Cali- 
entes; also on shrub called “trueno” in Aguas Calientes and San Luis Potosi. Massed 
on branches of rose in Chihuahua. On leaves of olive and ‘‘palo dulee” in Chihua- 
hua. On Yueca aloifolia ? (young plants in pots), in Guadalajara. 
This species is almost general in distribution, yet, strange to say, has never been 
found in the West Indies. 
9. Aspidiotus articulatus Morg.—On orange in Tampico, October 14, associated with 
A. ficus. 
Occurs also in Jamaica, Barbados, Nevis, Trinidad, and Demerara; collected by 
Cockerell in Vera Cruz. 
10. Aspidiotus scutiformis Ckll.—Abundant on leaves of orange in Victoria and Mon- 
terey; also on leaves of pomegranate in Monterey. In the latter place it was espe- 
cially bad on almost all of the orange trees in all the plazas of the city, the fruit and 
leaves being simply massed with it. 
11. Aspidiotus n. sp.—Thickly massed on bark of limbs and twigs of tree said to be 
avocate (avocado pear). San Luis Potosi, October 12. 
12. Aspidiotus n. sp.?—On leaves of tree known as ‘‘bagote.’’ Hermosillo, Sep- 
tember 25. The material was not in sufficient quantity for description. 
13. Aspidiotus nigropunctatus Ckll. n. sp.—On ‘‘trueno.” San Luis Potosi, Octo- 
ber 12. 
14. Aspidiotus n. sp.?—On leaves of rose. Monterey, October 17. Not enough 
material for description. 
15. Lecanium olew Bern.—On orange, lime, and Catalpa, San Luis Potosi; on 
oleander, ‘‘marguerita,” and Pelargonium, Aguas Calientes; on thorny shrub (hard 
wood and thorns few), Las Esteros, State of Tamaulipas; bad on leaves, twigs, and 
branches of fig trees, Monterey; on guava, Nuevo Laredo, December 13. ‘Those 
found on oleander at Aguas Calientes were all infested with a large parasite. They 
occurred on leaves and branches. Those on fig at Monterey were also badly para- 
sitized. This species is widely distributed. 
16. Lecanium hesperidum Linn.—On lime, San Luis Potosi; on orange, Tampico and 
Chihuahua; on leaves, stems, and twigs of orange trees in sheltered patios in Chi- 
huahua; also very numerously infesting leaves of several large trees of what is 
known as ‘‘fitolaca,” in Monterey, October 17. These last were extensively preyed 
upon by larvie and adults of Ozya orbigera. On guava and rose, Nuevo Laredo, 
December 13. This species is found in the Sandwich Islands, South Africa, Florida, 
Jamaica, Chile, etc. 
17. Lecanium imbricatum Ckll. n. sp.—On Mimosa. Alta Mira (State of Tamauli- 
pas), October 15. Massed on twigs, the scales overlapping each other. 
