Paecilomyces

Paecilomyces
Scanning electron micrograph of Paecilomyces variotii
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Ascomycota
Class:	Eurotiomycetes
Order:	Eurotiales
Family:	Thermoascaceae
Genus:	Paecilomyces Bainier (1907)
Type species
Paecilomyces variotii Bainier (1907)
Synonyms
Byssochlamys Westling (1909) Corollium Sopp (1912) Graphidium Lindau (1909) Spicariopsis R.Heim (1939)

Paecilomyces is a genus of fungi. A number of species in this genus are plant pathogens.

Several of the entomopathogenic species, such as "Paecilomyces fumosoroseus" have now been placed in the genus Isaria, in the order Hypocreales and family Cordycipitaceae.

In 1974, R.A. Samson transferred the nematicidal species Paecilomyces lilacinus to this genus. However, publications in the 2000s (decade) indicated that the genus Paecilomyces was not monophyletic, and the new genus Purpureocillium was created to hold the taxon which includes P. lilacinum: with both parts of the name referring to the purple conidia produced by the fungus.

Species

Traditionally, Paecilomyces held strictly asexual species and later housed numerous anamorphic forms of fungi with their teleomorph described to a separate genus. From 41 described species in 2000 and over 100 known combinations in this genus, the amount of species in Paecilomyces reduced to 10 described species in 2020 following the adaptation of the "one fungus one name" rule.

• Paecilomyces brunneolus
• Paecilomyces clematidis Spetik, Eichmeier, Gramaje & Berraf-Tebbal (2022)
• Paecilomyces dactylethromorphus
• Paecilomyces divaricatus
• Paecilomyces formosus Urquhart (2023)
• Paecilomyces fulvus
• Paecilomyces lagunculariae
• Paecilomyces niveus
• Paecilomyces paravariotii Urquhart (2023)
• Paecilomyces penicilliformis Jurjević & Hubka (2020)
• Paecilomyces tabacinus
• Paecilomyces variotii
• Paecilomyces zollerniae

Species combinations not listed by Houbraken et al. 2020

Species formerly described in Paecilomyces

• Class Eurotiomycetes
  • Order Eurotiales
    • Family Aspergillaceae
      • Genus Evansstolkia: P. leycettanus
      • Genus Penicillium: P. burci, P. ehrlichii, P. lineatum, P. mandshuricus
    • Family Thermoascaceae
      • Genus Thermoascus: P. aegyptiacus, P. crustaceus, P. taitungiacus, P. verrucosus
    • Family Trichocomaceae
      • Genus Talaromyces: P. aerugineus, P. cinnabarinus
      • Genus Sagenomella: P. griseoviridis, P. humicola, P. striatisporus, P. variabilis,
• Class Leotiomycetes
  • Order Helotiales
    • Family Pleuroascaceae
      • Genus Venustampulla: P. parvus
• Class Sordariomycetes
  • Order incertae sedis
    • • Genus Chlorocillium: P. griseus
      • Genus Sphaeronaemella: P. betae
    • Order Cephalothecales
    • Family Cephalothecaceae
      • Genus Phialemonium: P. flavescens and P. inflatus
  • Order Hypocreales
    • • Genus Acremonium: P. terricola
    • Family Bionectriaceae
      • Genus Sesquicillium: P. buxi
      • Genus Waltergamsia: P. fusidioides
      • Genus Verruciconidia: P. persicinus
    • Family Clavicipiteae
      • Genus Keithomyces: P. carneus
      • Genus Marquandomyces: P. marquandii
      • Genus Metarhizium: P. paranaensis, P. reniformis, P. viridis
    • Family Cordycipitaceae
      • Genus Cordyceps: P. amoene-roseus, P. cateniannulatus, P. cateniobliquus, P. coleopterorum, P. farinosus, P. fumosoroseus, P. hibernicum and P. isarioides, P. ghanensis, P. gunnii, P. heliothis and P. tenuipes, P. javanicus, P. loushanensis
      • Genus Isaria: P. cicadae, P. xylariiformis
      • Genus Samsoniella: P. hepiali
    • Family Nectriaceae
      • Genus Mariannaea: P. elegans
      • Genus Neocosmospora: P. fuscus
    • Family Ophiocordycipitaceae
      • Genus Purpureocillium: P. lilacinus as well as P. nostocoides
      • Genus Pleurocordyceps: P. sinensis
    • Family Sarocladiaceae
      • Genus Sarocladium: P. bacillisporus, P. ochraceus
    • Family Tilachlidiaceae
      • Genus Septofusidium: P. berolinensis, P. herbarum
    • Family Valsonectriaceae
      • Genus Valsonectria: P. roseolus
  • Order Microascales
    • Family Microascaceae
      • Genus Microascus: P. fuscatus
  • Order Sordariales
    • Family Chaetomiaceae
      • Genus Acrophialophora: P. ampullaris, P. ampulliphoris, P. biformis, P. cinereus, P. curticatenatus, P. furcatus, P. fusisporus, P. major,
  • Order Trichosphaeriales
    • Family Trichosphaeriaceae
      • Genus Verticillium: P. baarnensis, P. coccosporus, P. eriophytis, P. insectorum, P. sulfurellum

incertae sedis Ascomycota

• • • • Genus Sagrahamata: P. iriomoteanus
      • Genus Spicaria: P. canadensis, P. cossus, P. fimetarius, P. longipes

See also

• Cordyceps
• Tarsonemidae