Phylum：Ascomycota　>>　Class： Ascomycetes　>>　 Order： Boliniales 
   
 
　BCRC Number： NO BCRC Number!  
   
　Scientific Name： Diaporthe eres
 
   
   
　Author：

Basionym: Diatrype verrucella Fries, Sum. Veg. Scand. 385. 1845.

Diaporthe eres Nitschke, Pyren. Germ. 245. 1867.
   
 
 
 
 
　Description： Perithecia singly or in small group, embedded within bark tissue and partly in wood, often beneath the decomposed pycnidial stroma, globular or flattened at the bottom, 200 - 450 μm in diam., with neck at the top; wall composed of flattened, dark, thick-walled cells, innermost cells being strongly flattened, hyaline and thin-walled. Necks cyclindric, black, 180 - 820 μm in length, singly or collectively erumpent through bark periderm or decomposed pycnidial stroma, penetrated by a pore furnishing hyaline periphyses. Blackened zone present within bark and wood, thin, enveloping several perithecial pustules. Asci clavate or cyclindric-clavate, with apical ring in the thickened tip, 31.3 - 65 × 3.8 - 6 μm in size and 52.5 × 4.8 μm in average, 8-spored, loosed irregularly in perithecium. Ascospores irregularly biseriate, elliptic to fusoid, straight or inaequilateral, narrowly rounded toward the ends, hyaline, 2-celled, slightly constricted at the septum in full maturity, 8 - 13.8 × 2.3 - 3.8 μm in size and 10.8 × 3 μm in average. Two types of conidia are produced acrogeneously on the conidiophores, one is the socalled alpha conidium or α-spore, and is elliptic to fusoid, unicellular, hyaline, 5.8 - 9.5 × 2.5 - 4.8 μm in size and 7.6 × 3.6 μm in average; the other beta conidium or β-spore is filiform or acicular, straight or hooked, unicellular, hyaline, 30 - 48.8 × 0.8 - 2.5 μm in size and 40.3 × 1.6 μm in average.
 
 
 
 
 
　Specimens：

Chiayi, on Bauhinia variegata L., 29 Oct 1990, D79-1. Taichung: Kukuan, on Euphorbia pulcherrima Willd. ex Klotzsch, 17 Jul 1990, D-16. Taichung: Takeng, on Macaranga tanarius (L.) Muell.-Arg., 4 Jul 1990, D-4. Taichung: Takeng, on Mallotus japonicus (Thunb.) Muell.-Arg., 4 Jul 1990, D-3. Taichung: Takeng, on Manihot esculenta Crantz., 4 Jul 1990, D-7. Nantou: Hueysuen forest, on Sapium discolor Muell.-Arg., 25 Jul 1990, D-22. Chiayi, on Douralis hebecarpa Warb., 31 Jul 1990, D-23. Taoyuan: Lalasan, on Litsea acuminata (Blume) Kurata, 5 Apr 1991, D80-1. Taoyuan: Lalasan, on Persea zuihoensis (Hayata) Li, 5 Apr 1991, D80-4. Nantou: Hueysuen forest, on Litsea cubeba (Lour.) Persoon, 2 Jun 1991, D80-8. Nantou: Chunghsing new village, on Erythrina crista-galli L., 6 Jul 1990, D-9. Chiayi, on Sesbania roxburghii Merr., 8 Jul 1990, D-13. Taichung, on Psidium guajava L., 8 Jul 1990, D-8. Miaulih: Jwolan, on Averrhoa carambola L., 11 Jul 1990, D-15. Taichung: Anmaashan, on Passiflora edulis Sims. 1 Oct 1990; D-33. Taichung: Chunghsingliing, on Eriobotrya japonica Lindl., 11 Jul 1990, D-14. Taichung: Anmaashan, on Rubus trianthus Tocke, 2 Oct 1990, D-38. Chiayi, on Euphoria longana Lam., 31 Jul 1990, D-24, Nantou: Hueysuen forest, on Paulownia fortunei Hemsl., 2 Jun 1991, D80-7. Taichung: Kukuan, on Smilax china L., 17 Jul 1990, D-46. Chiayi: Alishan, on Camellia sinensis (L.) Ktze., 9 Oct 1990, D-43. Taoyuan: Lalasan, on Eurya japonica Thunb., 5 Apr 1991, D80-2. Taichung: Kukuan, on Trema orientalis (L.) Blume, 18 Jul 1990, D-17.
 
 
 
　Habitat： Lignicolous. On branches of angiosperm.
 
 
 
　Distribution：

Asia (Japan, Taiwan), Europe and North America.
 
 
 
　References：

Kobayashi, T. 1970; Tsay, JG and Hsieh, WH. 1993.
   
   
   
　Provided：

J. G. Tsay
 
 
　Note： null