| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Phyllocnistis wempella | Du, 1989 | species | Misapplied | ||
| Phyllocnistis wygodzinskyi | Hering, 1958 | species | Accepted | ||
| Phyllocnistis xenia | Hering, 1936 | species | Accepted | ||
| Phyllocnistis xylopiella | Brito & Becker, 2017 | species | Accepted | ||
| Phyllonorycter aarviki | De Prins, 2012 | species | Accepted | ||
| Phyllonorycter abrasella | (Duponchel, 1843) | species | Accepted | ||
| Phyllonorycter abrasella | (Zeller, 1846) | species | Misapplied | ||
| Phyllonorycter acaciella | (Duponchel, 1843) | species | Accepted | ||
| Phyllonorycter acaciella | (Herrich-Schäffer, 1855) | species | Misapplied | ||
| Phyllonorycter acanthus | Davis & Deschka, 2001 | species | Accepted | ||
| Phyllonorycter acericorsica | Varenne & Nel, 2015 | species | Accepted | ||
| Phyllonorycter acerifoleilla | (Razowski & Palik, 1969) | species | Misapplied | ||
| Phyllonorycter acerifoliella | (Zeller, 1839) | species | Accepted | ||
| Phyllonorycter aceripestis | (Kuznetzov, 1978) | species | Accepted | ||
| Phyllonorycter aceriphaga | (Kuznetzov, 1975) | species | Accepted | ||
| Phyllonorycter acernella | (Duponchel, [1843]) | species | Synonym | ||
| Phyllonorycter achilleus | De Prins, 2012 | species | Accepted | ||
| Phyllonorycter acratynta | (Meyrick, 1916) | species | Accepted | ||
| Phyllonorycter acutissimae | (Kumata, 1963) | species | Accepted | ||
| Phyllonorycter acutulus | De Prins, 2012 | species | Accepted | ||
| Phyllonorycter adderis | De Prins, 2012 | species | Accepted | ||
| Phyllonorycter adenocarpi | (Staudinger, 1863) | species | Accepted | ||
| Phyllonorycter aemula | Triberti, Deschka & Huemer, 1997 | species | Accepted | ||
| Phyllonorycter aenigmatella | (Frey & Boll, 1873) | species | Synonym | ||
| Phyllonorycter aeriferella | (Clemens, 1859) | species | Accepted |