fg 
peaches, figs, apricots, pomegranates, and quinces, but found no seales 
whatever on any of these in this region. At San Ignacio, which 1s six 
miles north of Magdalena and on the railroad also, L could tind nothing 
on orange, lime, ete., though Lcerya purchasi abounded on the same at 
Magdalena. Olives in Hermosillo had no seales. 
In Chihuahua nothing was found on peaches or pears. Also noth 
ing on shrub called “trueno,” which was abundantly infestea farther 
south. Some scales were found on pomegranate at San Luis Potosi 
and Monterey, but nowhere else on that plant. No scales were found 
on fig except in Monterey. 
No scales were found anywhere in Mexico on peach, pear, apricot, 
plum, apple, quince, or grape. 
LIST OF SCALE INSECTS, ARRANGED BY HOST PLANTS. 
AGAVE (yellow variegated).—Pseudococcus yuece. Guadalajara. 
AMARYLLIS.—Pseudococcus yucce. Aguas Calientes. 
AVOCATE (avocado pear).—Aspidiotus n. sp. San Luis Potosi. 
BAGOTE.—Aspidiotus n. sp.? Hermosillo. 
BANANA.—Pscudococcus yucce. Guadalajara, Mexico City (seen in 1892). 
BROMELIA PINGUIN.—Diaspis boisduvalii. Alta Mira (Tamaulipas). 
CALADIUM.—Pseudococeus yucee, Guadalajara. 
CATALPA.—Ceroplastes mexicanus; Lecanium olew, Lecanium sp. (2); Pseudococcus 
yucee. San Luis Potosi. 
CHERIMOYA.— Pseudococcus yucew. San Louis Potosi. 
Fie.—Lecanium olew ; Pseudococcus yuccw. Monterey. 
Frrotaca.—Lecanium hesperidum ; Pulvinaria n. sp.? Monterey. 
Guava.—Lecanium hesperidum ; Lecanium olew. Nuevo Laredo. 
HiBiscUS FLORIDANUS (red-flowering tropical shrub).—Ccroplastes ceriferus: 
Cuautla. Conchaspis angreer var. hibisci: Tampico. 
HYMENOCLEA MONOGYRA (gecota).—Orthezia sonorensis, San Ignacio, Sonora. 
LANTANA sp.—Pseudococecus yucece. San Luis Potosi. 
MARGUERITA.—Lecanium olee. Aguas Calientes. 
Mimosa.—Lecanium imbricatum. Alta Mira. 
OLEANDER.—Aspidiotus nerii: Aguas Calientes, Chihuahua. Lecanium olew: 
Aguas Calientes. 
OLIVE.—Aspidiotus nerti. Chihuahua. 
ORANGE, LIME, ETC. (citrus fruits).—Jcerya purchasi: Guaymas, Hermosillo, Mag- 
dalena, Victoria, Monterey. <Aspidiotus ficus: Tampico, Matamoras. Aspidiotus artic- 
ulatus: Tampico. Aspidiotus scutiformis: Victoria, Monterey. Mytilaspis gloveri: 
Tampico, Matamoras. Chionaspis citri: Tampico. Orthezia insignis var.: Aguas Cal- 
ientes, Guadalajara. Lecanium hesperidum: San Luis Potosi, Chihuahua, Tampico. 
Pseudococcus yuccw: San Luis Potosi, Guadalajara, Tlaltizapan, Tampico. 
PALO DULCE.—Aspidiotus ficus ; Aspidiotus nerii. Chihuahua. 
PELARGONIUM.—Lecanium olew ; Pseudococcus yuccew. Aguas Calientes. 
POMEGRANATE.—Aspidiotus scutiformis: Monterey. Pseudococcus yucew: San Luis 
Potosi. , 
RosEe.—Aspidiotus nerii: Chihuahua. Aspidiotus n. sp.?: Monterey. <Aulacaspis 
rose: Chihuahua. Lecanium hesperidum: Nuevo Laredo. 
TECOMA STANS,—Ceroplastes n. sp.?. Guaymas. 
TRUENO (lilac-like shrub).—4spidiotus nerii: Aguas Calentes, San Luis Potosi, 
Aspidiotus nigropunctatus ; San Luis Potosi. 
