Diaportheconica is phylogenetically and morphologically distinct from D.rostrata, in smaller locule and alpha conidia.

CHINA. Zhejiang Province: Tianmu Mountain, on symptomatic branches of Alangiumchinense, 20 Apr. 2017, Q. Yang (holotype: BJFC-S1484; ex-type culture: CFCC 52571).

Named after the conical conidiomata.

Conidiomata pycnidial, 420–580 μm diam., solitary and with single necks erumpent through the host bark. Tissue around the neck is conical. Locule oval, undivided, 385–435 μm diam. Conidiophores reduced to conidiogenous cells. Conidiogenous cells unbranched, straight or sinuous, apical or base sometimes swelling, 19–23.5 × 2.8 μm. Alpha conidia hyaline, aseptate, ellipsoidal, biguttulate, 5.5–7 × 2.3–3 μm (av. = 6.5 × 2.6 μm, n = 30). Beta conidia not observed.

Cultures incubated on PDA at 25 °C in darkness. Colony white to yellowish, with dense and felted mycelium, lacking aerial mycelium, with maize-coloured conidial drops exuding from the ostioles.

CHINA. Zhejiang Province: Tianmu Mountain, on symptomatic branches of Alangiumchinense, 20 Apr. 2017, Q. Yang, living culture CFCC 52572 (BJFC-S1485); ibid. living culture CFCC 52573 (BJFC-S1486); ibid. living culture CFCC 52574 (BJFC-S1487).

Four isolates clustered in a clade distinct from further Diaporthe species based on DNA sequence data. Morphologically, this species is characterised by conical conidiomata, which is similar with D.rostrata from Juglansmandshurica. However, D.conica differs from D.rostrata by having smaller locule and alpha conidia (310–385 vs. 620–1100 μm in locule; 5.5–7 × 2.3–3 vs. 8.5–11.5 × 4–5 μm in alpha conidia) (Fan et al. 2015).