320 JOURNAL OF ECONOMIC ENTOMOLOGY [Vol. 6 



result of the importations from Xorth America. Local and uncommon. 

 Piura valley only. 



(4) Aphelinus fuscipemiis — Tropicopolitan to temperate. Found 

 in 1909 in Lima, and in 1910 in Piura but probably existed in latter 

 region before the liberations of 1909. Local and uncommon. Piura 

 valley only. 



(5) Aphelinus quaylei — Tropicopolitan. Found in 1909 in Lima. 

 Not found in Piura until 1912, after liberations of much material 

 from Lima. As yet recovered in Piura only from Pseudaonidia sp., 

 but known from H. minor in both Ceylon and Hawaii and quite 

 certainly at work on it in Piura. Locally numerous. Both Piura 

 and Chira valleys. 



(6) Signiphora lidea — Peruvian. Found in 1909 in both Piura 

 and Lima. Common and rather evenly distributed. Both Chira 

 and Piura vallej^s. 



(7) Signiphora occidentaUs — California to Barbados and Peru. 

 Found in 1909 in Lima. Not found in Piura till after the 1910 liber- 

 ations from Lima and the 1911 liberations from Barbados. Fairly 

 numerous but unevenly distributed. Both Chira and Piura valleys. 



(8) Neosigniphora nigra — Peruvian. Not found in Lima. Found 

 quite abundant in the central Piura valley in 1910. Locally abundant. 

 Piura valley only. 



(9) Arrhenophagus sp. probably chionaspidis — Tropicopolitan to 

 .temperate in northern hemisphere. Not found in Lima, nor in Piura 

 till 1912 after Japanese and Barbadoes liberations of 1911, which 

 latter contained the species in abundance. As abundant as Aspidioti- 

 phagus in many places, but not so evenly distributed. Both Chira 

 and Piura valleys. 



(10) Microweisia vel Gen. Aff. sp. — A very small black coccinellid, 

 evidently native to the Peruvian and Chilean coast region. Very 

 abundant and evenly distributed throughout both vallej^s. 



(11) PsyUohora sp. — A pale yelloAV coccinellid of less than medium 

 size with nine brown spots on each elytron, evidently native to the 

 Peruvian coast region. Locally numerous, especially in the Piura 

 valley, but distributed in both valleys, 



(12) Exochomus sp.- — A pale yellow coccinellid of less than medium 

 size Vtdth six brown spots on each elytron, evidently native to the 

 Peruvian coast region. Locally numerous in both valleys. 



(13) Hemisarcoptes mains — Cosmopolitan mite. Very abundant 

 and evenly distributed in both valleys. 



(14) Gamasid(E sp. — Locally abundant. Piura valley only. 



(15) Sporotrichum sp. probably minimum — Abundant and evenly 

 distributed in both valleys. 



